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Books > Professional & Technical > Agriculture & farming > Forestry & silviculture: practice & techniques

Atlas of Sexual Reproduction in Flowering Plants (Paperback, Softcover reprint of the original 1st ed. 1992): Mauro Cresti,... Atlas of Sexual Reproduction in Flowering Plants (Paperback, Softcover reprint of the original 1st ed. 1992)
Mauro Cresti, Stephen Blackmore, Jacobus L. Van Went
R1,600 Discovery Miles 16 000 Ships in 10 - 15 working days

Comprising about one hundred plates this atlas documents and describes the processes concerning the sexual reproduction in higher plants. It is dividedinto three parts: - Anther Development - Pistil Development - Progamic Phase and Fertilization. The scanning, transmission electron and light micrographs are all of immaculate quality and - for the viewer's orientation - almost each plate is complemented by a scheme showing a larger area of the plant indicating the site of the section. Together with instructive texts, the often striking images provide a valuable introduction into plant reproductive cell structures for researchers and advanced students of genetics, plantbreeding and cell biology.

Disease Management in Cocoa - Comparative epidemiology of witches' broom (Paperback, Softcover reprint of the original 1st... Disease Management in Cocoa - Comparative epidemiology of witches' broom (Paperback, Softcover reprint of the original 1st ed. 1993)
Rudgard, Maddison, Andebrhan
R4,478 Discovery Miles 44 780 Ships in 10 - 15 working days

The Monograph deals with the conception, planning, implementation, results and conclusions of the International Witches' Broom Project (IWBP), which was set up in 1985 with the aim of producing an economic management system for witches' broom disease of cocoa. The contributions of the various sponsors, and the roles played by the participating organizations and scientists are described in the introductory chapter. Chapter 2 provides a review of what was, and what was not known from published literature about the cocoa witches' broom pathosystem in 1989. The scope of the project and the approaches used are covered in Chapter 3, while Chapters 4 to 13 report on the field studies themselves in detail. The recent appearance of witches' broom in the important cocoa area of Bahia in Brazil is described in Chapter 14, before disease management recommendations are summarised and future prospects considered in the closing chapters. The many man-years of field research in the IWBP in a total of six countries generated much useful information which was analyzed both in the individual countries and collectively. Even with a document of this size, certain information and analyses with less direct relevance to disease management had to be omitted. It is expected that more detailed treatments of certain aspects will emerge in scientific papers, and further analyses will be undertaken."

Chemistry and Technology of Agrochemical Formulations (Paperback, Softcover reprint of the original 1st ed. 1998): A. Knowles Chemistry and Technology of Agrochemical Formulations (Paperback, Softcover reprint of the original 1st ed. 1998)
A. Knowles
R8,612 Discovery Miles 86 120 Ships in 10 - 15 working days

Agrochemical products and adjuvants are of vital importance in agriculture, to protect food and fibre crops from weeds, insect pests and diseases, in order to feed and clothe the growing world population. In recent years there have been increasing pressures to produce agrochemical formulations which have a lower environmental impact and are safer in use. Enormous changes have taken place in the chemistry and technology of agrochemicals over the last twenty years or so and this book provides a timely review of the most important area of technology in the development of new products. This book covers issues around international product quality and safety standards and describes the current and likely future trends which will carry the industry forward into the next millennium. It brings together well known international experts with many years of practical experience from agrochemical companies, consultancies, academic institutions and regulatory bodies. Chemists and technologists involved in developing new or improved agrochemical formulations will find this book an essential reference in the course of their work. The book will also be of interest to those working in research and development departments of raw material suppliers, as a concise review of this important field.

Impact of Air Pollutants on Southern Pine Forests (Paperback, Softcover reprint of the original 1st ed. 1996): Susan Fox,... Impact of Air Pollutants on Southern Pine Forests (Paperback, Softcover reprint of the original 1st ed. 1996)
Susan Fox, Robert A. Mickler
R4,561 Discovery Miles 45 610 Ships in 10 - 15 working days

The public's attitude toward air pollution in the United States evolved substantially during the 1960s. One of the results of the nation's emerging environmental ethic was the creation of the U. S. Environmental Protection Agency (EPA) in December of 1970. Prior to this time, research was focused on the impacts of air pollution on human health and welfare and was largely conducted by several federal research agencies, which included the Department of Health, Education, and Welfare; the National Oceanic and Atmospheric Administration; and the U. S. Department of Agricul ture. After the creation of the EPA, much of this work was consolidated in one regulatory agency, which resulted in periodic evaluations of the various effects of atmospheric pollution on human health, materials, agriculture, and forest ecosystems. At the same time that environmental interest was growing in the United States, concern increased in the European scientific community and public over the ecological impacts of acidic deposition. As the magnitude of the damage to European lakes and streams and the widespread decline in Norway spruce and silver fir was reported, concern that similar problems were occurring in the United States increased substantially. This concern was heightened by press reports of high elevation spruce-fir forest declines in the Adirondack and Appalachian Mountains and the decline and death of sugar maples in the northeastern United States and Canada.

Rainforest Ecosystems of East Kalimantan - El Nino, Drought, Fire and Human Impacts (Paperback, Softcover reprint of the... Rainforest Ecosystems of East Kalimantan - El Nino, Drought, Fire and Human Impacts (Paperback, Softcover reprint of the original 1st ed. 2000)
Edi Guhardja, Mansur Fatawi, Maman Sutisna, Tokunori Mori, Seiichi Ohta
R4,507 Discovery Miles 45 070 Ships in 10 - 15 working days

Since the late 1960s the Indonesian state of East Kalimantan has witnessed a marked increase in the impact of human activities chiefly commercial logging and agricultural exploitation. Located on the island of Borneo, East Kalimantan also was subjected to prolonged droughts and extensive wildfires in 1982-83 and 1997-98 that were linked to the El Nino-Southern Oscillation (ENSO) phenomenon. The changes in the rainforest ecosystem in East Kalimantan during this 15-year cycle of severe ENSO events are the subject of this book. With an eye toward development of rehabilitation techniques for sustainable forest management, the authors examine possible interactive effects of drought, fire, and human impacts on the flora and fauna of the area.

Plant Cold Hardiness - Gene Regulation and Genetic Engineering (Paperback, Softcover reprint of the original 1st ed. 2002):... Plant Cold Hardiness - Gene Regulation and Genetic Engineering (Paperback, Softcover reprint of the original 1st ed. 2002)
Paul H. Li, E. Tapio Palva
R2,986 Discovery Miles 29 860 Ships in 10 - 15 working days

th We compiled this volume mostly from presentations at the 6 International Plant Cold Hardiness Seminar (PCHS) after consulting with Professor Tony H. H. Chen, Oregon State University, USA, Professor Pekka Heino, University of Helsinki, Finland, th and Dr. Gareth J. Warren, University of London, Surrey, UK. The 6 International PCHS was held at the Unitas Congress Center, Helsinki, Finland from July 1-5, 2001. There were 110 registered scientists at the serttinar representing 20 countries: Australia, Belgium, Canada, Chile, the Czech Republic, Denmark, Estonia, Finland, Gennany, Hungary, Iceland, Italy, Japan, Norway, Poland, Spain, Sweden, Taiwan, United Kingdom, and United States of America. The infonnation compiled represents the state of the art of research in phmt cold hardiness in tenns of gene regulation, gene expression, signal transduction, the physiology of cold hardiness and, ultimately, the genetic engineering for cold tolerant plants. The International PCHS was initiated in 1977 at the University of Minnesota, St. Paul, Minnesota. It has been traditionally held at 5-year intervals at various locations. th Because of the rapid advances of research in plant cold hardiness, attendees at the 6 meeting unanimously adopted a resolution to hold the seminar in 3-year intervals instead of 5 in the future. Consequently, the next seminar will be held in 2004 in Sapporo, Japan, and Professor Seizo Fujikawa from Hokkaido University will serve as the host.

Xanthomonas (Paperback, Softcover reprint of the original 1st ed. 1993): Jean Swings, Lucia Civetta Xanthomonas (Paperback, Softcover reprint of the original 1st ed. 1993)
Jean Swings, Lucia Civetta
R5,796 Discovery Miles 57 960 Ships in 10 - 15 working days

5 Table 1.1 Continued Species Hosts Families ~-------- ----- X. campestris pv. cassavae Manihot spp. Euphorbiaceae (Wiehe and Dowson 1953) Maraite and Weyns 1979 Cassia tora, C. occidentalis, Cicer Fabaceae X. campestris pv. cassiae arietinum, Pisum sativum (Kulkarni, Patel and Dhande 1951) Dye 1978 Musaceae X. campestris pv. celebensis Musa spp. (Gaumann 1923) Dye 1978 Apiaceae X. campestris pv. centellae Centella asiatica Basnyat and Kulkarni 1979 X. campestris pv. cerealis Agropyron spp., Avena spp., Poaceae Bromus spp., Hordeum spp., (Hagborg 1942) Dye 1978 Secale cereale, Triticum spp. Aegle marmelos, Atalantia spp., Rutaceae X. campestris pv. citri Balsamocitrus paniculata, (Hasse 1915) Dye 1978 Casimiroa edulis, Chaetospermum glutinosa, Citropsis schweinfurthii, Citrus spp. and hybrids, Clausena lansium, Eremocitrus glauca, Evodia spp., Ferollia sPP" Feroniella spp., Fortunella spp., Hesperethusa crellulata, Limonia spp., Melicope triphylla, Microcitrus spp., Murraya exotica, Paramigyna longipedunculata, Poncirus trifoliata and hybrids, Severina buxifolia, Toddalia asiatica, Zanthoxylum spp.

The Role of Trees in Sustainable Agriculture - Review papers presented at the Australian Conference, The Role of Trees in... The Role of Trees in Sustainable Agriculture - Review papers presented at the Australian Conference, The Role of Trees in Sustainable Agriculture, Albury, Victoria, Australia, October 1991 (Paperback, Softcover reprint of the original 1st ed. 1993)
R.T. Prinsley
R2,931 Discovery Miles 29 310 Ships in 10 - 15 working days

Agroforestry reserach and development in Australia has been largely fragmented and many of the research results have never been published and are unknown. The purpose of this volume is to comprehensively review all of the research that has taken place in the field of agroforestry in Australia, including previously unpublished results, providing readers with the latest technical and economic information about using trees in agriculture for the control of salinity and erosion, for shelter and shade, and for the production of timber, fodder and minor forest products. The book provides information concerning planted trees within all of these categories and includes special review of the management of native vegetation on farms. These papers also examine research needs where appropriate. This book stems from the National Australian Conference on 'The Role of Trees in Sustainable Agriculture' which took place in Albury, Victoria, Australia in October, 1991. Each national review paper is based upon a summary of six or more state review research and development papers, prepared specifically for the national conference. The book thus provides readers with a comprehensive overview of agroforestry rsearch in Australia, which is introduced and summarised in the first chapter.

Land Stewardship through Watershed Management - Perspectives for the 21st Century (Paperback, Softcover reprint of the original... Land Stewardship through Watershed Management - Perspectives for the 21st Century (Paperback, Softcover reprint of the original 1st ed. 2002)
Peter F. Ffolliott, Malchus B. Baker, Carelton B. Edminster, Madelyn C. Dillon, Karen L. Mora
R2,925 Discovery Miles 29 250 Ships in 10 - 15 working days

We must enhance the effectiveness ofland stewardship and management of the world's natural resources to meet a growing global population's need for conservation, sustainable development, and use of land, water, and other natural resources. Ecosystem-based, mul tiple-use land stewardship is necessary when considering the present and future uses ofland, water, and other natural resources on an operationally efficient scale. We need holistically planned and carefully implemented watershed management practices, projects, and pro grams to accommodate the increasing demand for commodities and amenities, clear water, open space, and uncluttered landscapes. An international conference in Tucson, Arizona, from March 13 to 16, 2000, examined these needs and increased people's awareness of the contributions that ecosystem-based, multiple-use watershed management can make to future land stewardship. The conference was sponsored by the School of Renewable Natural Resources, University of Arizona; the College of Agriculture, University of Arizona; the Rocky Mountain Research Station, USDA Forest Service; the Research Center for Conservation of Water Resources and Disaster Pre vention, National Chung-Hsing University, Taiwan; the Department of Forest Resources, University of Minnesota; the Center for Integrated Natural Resources and Agriculture Man agement, University of Minnesota; the Centro de Investigaciones Biologicas del Noreste, Mexico; the International Arid Lands Consortium; the USDA Natural Resources Conserva tion Service; the Bureau of Land Management of the Department of the Interior; the Salt River Project, Phoenix, Arizona; the Southern Arizona Chapter, Southwestern Section of the Society of American Foresters; and IUFRO Working Party 8. 04. 04, Erosion Control by Watershed Management."

Co-benefits of Sustainable Forestry - Ecological Studies of a Certified Bornean Rain Forest (Hardcover, 2013 ed.): Kanehiro... Co-benefits of Sustainable Forestry - Ecological Studies of a Certified Bornean Rain Forest (Hardcover, 2013 ed.)
Kanehiro Kitayama
R5,285 Discovery Miles 52 850 Ships in 10 - 15 working days

Tropical rain forests are increasingly expected to serve for climate change mitigation and biodiversity conservation amid global climate change and increasing human demands for land. Natural production forests that are legally designated to produce timber occur widely in the Southeast Asian tropics. Synergizing timber production, climate change mitigation and biodiversity conservation in such tropical production forests is one of the most realistic means to resolve these contemporary global problems. Next-generation sustainable forest management is being practiced in the natural tropical rain forest of a model site in Sabah, Malaysian Borneo, while earlier sustainable management practices have generally failed, leading to extensive deforestation and forest degradation elsewhere in the tropics. Ecologists have examined co-benefits of sustainable forestry in the model forest in terms of forest regeneration, carbon sequestration and biodiversity in comparison to a forest managed by destructive conventional methods. Taxonomic groups studied have included trees, decomposers, soil microbes, insects and mammals. A wide array of field methods and technology has been used including count plots, sensor cameras, and satellite remote-sensing. This book is a compilation of the results of those thorough ecological investigations and elucidates ecological processes of tropical rain forests after logging. The book furnishes useful information for foresters and conservation NGOs, and it also provides baseline information for biologists and ecologists. A further aim is to examine the environmental effects of a forest certification scheme as the model forest has been certified by the Forest Stewardship Council. Taken as a whole, this book proves that the desired synergy is possible.

Mechanical Properties of Bamboo (Paperback, Softcover reprint of the original 1st ed. 1991): Jules J.A. Janssen Mechanical Properties of Bamboo (Paperback, Softcover reprint of the original 1st ed. 1991)
Jules J.A. Janssen
R4,439 Discovery Miles 44 390 Ships in 10 - 15 working days

In this book I have collected many reports on the properties of bamboo. Since I started bamboo research in 1974, I have collected many publications on bamboo. However, in contacts with other researchers I became aware of the fact that several of these publications were unknown to them. Consequently their activities in research or in bamboo projects had to start at a lower level than if they had known some of these publications. Therefore, I discussed the need for a book like this with several colleagues, and I decided to start writing. In this book I present data on properties, as published by resear chers. Certainly it is not complete; e.g. the proceedings of the bamboo workshop in Cochin in November 1988 are not included; they arrived just too late to be taken into account. On the other hand, in writing this preface I realize I have forgotten my own thesis. I do apologize to any colleague whose relevant report is not taken into account as well. I like to express my feelings of respect to the board of my faculty: they allowed me to spend so much time on this book, and they gave a considerable financial support for the printing costs."

Genetic Engineering - Principles and Methods. Volume 3 (Paperback, Softcover reprint of the original 1st ed. 1981): Jane K.... Genetic Engineering - Principles and Methods. Volume 3 (Paperback, Softcover reprint of the original 1st ed. 1981)
Jane K. Setlow, Alexander Hollaender
R1,606 Discovery Miles 16 060 Ships in 10 - 15 working days
Forest and Nature Governance - A Practice Based Approach (Hardcover, 2013 ed.): Bas Arts, Jelle Behagel, Severine van Bommel,... Forest and Nature Governance - A Practice Based Approach (Hardcover, 2013 ed.)
Bas Arts, Jelle Behagel, Severine van Bommel, Jessica de Koning, Esther Turnhout
R5,531 Discovery Miles 55 310 Ships in 10 - 15 working days

Today, problems such as deforestation, biodiversity loss and illegal logging have provoked various policy responses that are often referred to as forest and nature governance. In its broadest interpretation, governance is about the many ways in which public and private actors from the state, market and/or civil society govern public issues at multiple scales. This book takes a fresh perspective on the study of forest and nature governance. Departing from 'practice theory', and building upon scholars like Giddens, Bourdieu, Reckwitz, Schatzki and Callon, it seeks to move beyond established understandings of institutions, actors, and knowledge. In so doing, it not only presents an innovative conceptual and methodological framework for a practice based approach, but also rich case studies and ethnographies. Finally, this book is about how actors involved in governance talk about and work with trees, forests, biodiversity, wildlife, and so on, while acting upon forest policies, environmental discourses, codes of conduct, or scientific insights.

A Beginner's Guide to Microarrays (Paperback, Softcover reprint of the original 1st ed. 2003): Eric M. Blalock A Beginner's Guide to Microarrays (Paperback, Softcover reprint of the original 1st ed. 2003)
Eric M. Blalock
R2,955 Discovery Miles 29 550 Ships in 10 - 15 working days

A Beginner's Guide to Microarrays addresses two audiences - the core facility manager who produces, hybridizes, and scans arrays, and the basic research scientist who will be performing the analysis and interpreting the results. User friendly coverage and detailed protocols are provided for the technical steps and procedures involved in many facets of microarray technology, including: -Cleaning and coating glass slides, -Designing oligonucleotide probes, -Constructing arrays for the detection and quantification of different bacterial species, -Preparing spotting solutions, -Troubleshooting spotting problems, -Setting up and running a core facility, -Normalizing background signal and controlling for systematic variance, -Designing experiments for maximum effect, -Analyzing data with statistical procedures, -Clustering data with machine-learning protocols.

Thermophiles: Biodiversity, Ecology, and Evolution - Biodiversity, Ecology, and Evolution (Paperback, Softcover reprint of the... Thermophiles: Biodiversity, Ecology, and Evolution - Biodiversity, Ecology, and Evolution (Paperback, Softcover reprint of the original 1st ed. 2001)
Anna-Louise Reysenbach, Mary Voytek, Rocco Mancinelli
R2,956 Discovery Miles 29 560 Ships in 10 - 15 working days

These are indeed exciting times to be a microbiologist. With one of the buzzwords of the past decade-"Biodiversity," and microbes are reveling in the attention as they represent by far most of the biodiversity on Earth. Microbes can thrive in almost any environment where there is an exploitable energy source, and, as a result, the possible existence of microbial life elsewhere in the solar system has stimulated the imaginations of many. Extremophiles have taken center stage in these investigations, and thermophiles have taken on the lead roles. Consequently, in the past decade there has been a surge of interest and research in the Ecology, Biology, and Biotechnology of microorganisms from thermal environments. Many of the foundations of thermophile research were laid in Yellowstone National Park, primarily by the research of Professor Thomas Brock's laboratory in the late 1960s and early 1970s. The upper temperature for life was debated, the first thermophilic archeum discovered (although it was only later shown to be an archeum by ribosomal cataloging), and the extremes of light, temperature, pH on the physiology of microorga nisms were explored. Interest in thermophiles increased steadily in the 1970s, and with the discovery of deep-sea hydrothermal vents in 1977, thermophilic research began its expo nential explosion. The development of Taq polymerase in the polymerase chain reaction (peR) focused interest on the biotechnological potential of thermophilic microorganisms and on the thermal features in Yellowstone National Park.

North American Temperate Deciduous Forest Responses to Changing Precipitation Regimes (Paperback, Softcover reprint of the... North American Temperate Deciduous Forest Responses to Changing Precipitation Regimes (Paperback, Softcover reprint of the original 1st ed. 2003)
Paul Hanson; Foreword by J. Welwood; Edited by Stan D. Wullschleger
R3,023 Discovery Miles 30 230 Ships in 10 - 15 working days

Large-scale experimentation allows scientists to test the specific responses of ecosystems to changing environmental conditions. Researchers at Oak Ridge National Laboratory together with other Federal and University scientists conducted a large-scale climatic change experiment at the Walker Branch Watershed in Tennessee, a model upland hardwood forest in North America. This volume synthesizes mechanisms of forest ecosystem response to changing hydrologic budgets associated with climatic change drivers. The authors explain the implications of changes at both the plant and stand levels, and they extrapolate the data to ecosystem-level responses, such as changes in nutrient cycling, biodiversity and carbon sequestration. In analyzing data, they also discuss similarities and differences with other temperate deciduous forests. Source data for the experiment has been archived by the authors in the U.S. Department of Energy's Carbon Dioxide Information and Analysis Center (CDIAC) for future analysis and modeling by independent investigators.

Terrestrial Slugs - Biology, ecology and control (Paperback, Softcover reprint of the original 1st ed. 1992): A. South Terrestrial Slugs - Biology, ecology and control (Paperback, Softcover reprint of the original 1st ed. 1992)
A. South
R5,805 Discovery Miles 58 050 Ships in 10 - 15 working days

In recent years slugs have become increasingly important, partly because several species are agricultural and horticultural pests and partly because theyhave proved to be useful experimental animals, particularly in the field of neurophysiology. Most of the early works which included slugs were essentially taxonomic but the book byTaylor (1902-1907) contained a great deal of biological information about slugs, some of which is still relevant today. The publication of the book by Runham and Hunter (1970) represented a milestone in slug research, providing a comprehensive survey of current knowledge about slugs. The book by Godan (1983) on snailsand slugswas mainly concerned with theeconomic importanceof theseanimals. The purpose of the present book is to present a review of current knowledgeofthebiologyandecologyofslugs, togetherwith theirstatusand control as pests. Although relatively little is known about the biology and ecology of tropical slugs and most information is taken from work on European slugs, the European pest species have become widely distributed throughout temperate regions and this book should be of interest world wide. It is written as a source of information for people seeking to control slug pests and, also, for those wishing to use slugs for research or teaching purposes. The book is intended particularly to provide a starting point for those beginning research on slugs and an extensive bibliography has been provided.

Triple Repeat Diseases of the Nervous Systems (Paperback, Softcover reprint of the original 1st ed. 2002): Lubov T. Timchenko Triple Repeat Diseases of the Nervous Systems (Paperback, Softcover reprint of the original 1st ed. 2002)
Lubov T. Timchenko
R2,918 Discovery Miles 29 180 Ships in 10 - 15 working days

World of Unstable Mutations The book "Triplet Repeat Diseases of the Nervous System" overviews the lat est data on several disorders associated with unstable mutations. This field of re search is progressing extremely fast. The number of polymorphic mutations and diseases caused by these mutations is increasing almost every month. There is a strong interest to molecular bases of triplet repeat disorders. This is explained by growing necessity to develop molecular approaches for cure of these diseases. There fore, the authors of this book describe unstable mutations with the emphasis on molecular pathology. Broad discussion is presented on how polymorphic expan sions cause cell dysfunction. o The first chapter of the book focuses on the molecular pathological pro cesses that originate "unstable" mutations. The authors review several avail able models by which normal "stable" region of DNA become pathogenic and discuss possible mechanisms causing DNA instability. o The other chapters of the book describe inherited diseases associated with different types of unstable mutations. Based on the location of mutation in the disease gene, polymorphic expansions of the nervous system can be divided into two major groups. First group includes disorders with unstable expansions within the open reading frame of the gene such as Spinocer ebellar Ataxias caused by polyglutamine expansions. The second group in cludes diseases caused by expansions situated within the untranslated re gions of the gene.

Growth and Defence in Plants - Resource Allocation at Multiple Scales (Hardcover, 2012 ed.): R. Matyssek, Hans Schnyder,... Growth and Defence in Plants - Resource Allocation at Multiple Scales (Hardcover, 2012 ed.)
R. Matyssek, Hans Schnyder, Wolfgang Osswald, Dieter Ernst, Jean Charles Munch, …
R5,853 Discovery Miles 58 530 Ships in 10 - 15 working days

Plants use resources, i.e. carbon, nutrients, water and energy, either for growth or to defend themselves from biotic and abiotic stresses. This volume provides a timely understanding of resource allocation and its regulation in plants, linking the molecular with biochemical and physiological-level processes. Ecological scenarios covered include competitors, pathogens, herbivores, mycorrhizae, soil microorganisms, carbon dioxide/ozone regimes, nitrogen and light availabilities. The validity of the Growth-Differentiation Balance Hypothesis is examined and novel theoretical concepts and approaches to modelling plant resource allocation are discussed. The results presented can be applied in plant breeding and engineering, as well as in resource-efficient stand management in agriculture and forestry.

"

Nematode Interactions (Paperback, Softcover reprint of the original 1st ed. 1993): M. Wajid Khan Nematode Interactions (Paperback, Softcover reprint of the original 1st ed. 1993)
M. Wajid Khan
R5,789 Discovery Miles 57 890 Ships in 10 - 15 working days

Nematode interactions are important biological phenomena and of great significance in agriculture. It is a fascinating subject which is multidisciplinary by nature, and concerns any scientist involved with plant health. There have been marked advances in our knowledge of various aspects of the subject in the last two decades. This study area has been the subject of several reviews, but there was no exclusive text on the subject. This has stressed the need to document the information, developing a unifying theme which treated nematode interactions in a holistic manner. This book is about the inter action of plant-parasitic nematodes with other plant pathogens or root symbionts, the nature of their associations, their impact on the host and con sequential interactive effects on the involved organisms. Since nematodes are at the centre of the theme, the responsibility of understanding of other plant pathogens dealt with in this book is largely delegated to the reader. I have limited the book content to interactions with biotic pathogens and root symbionts only, for various reasons. The book embodies 16 chapters, and attempts to present balanced infor mation on various aspects of nematode interactions with other plant pathogens and root symbionts. Some chapters describe general aspects of the subject. Interactions of nematodes with specific groups of organisms are addressed in the remaining chapters."

Wheat - Production, Properties and Quality (Paperback, Softcover reprint of the original 1st ed. 1994): W. Bushuk, V.F. Rasper Wheat - Production, Properties and Quality (Paperback, Softcover reprint of the original 1st ed. 1994)
W. Bushuk, V.F. Rasper
R4,474 Discovery Miles 44 740 Ships in 10 - 15 working days

Wheat provides over 20% of the calories for the world population of 5. 3 billion persons. It is widely grown in five of the six continents. It is a highly versatile food product in that it can be stored safely for long periods of time and transported in bulk over long distances. In relative terms, it is reasonably priced; over the past quarter century, the inflation-adjusted price of wheat has been declining. Modern milling and baking technology required for the transformation of wheat grain into consumable baked products is available or accessible in all countries of the world. For these reasons, and because Canada is one of world's leading wheat producing countries, it seemed appropriate to include a major symposium on wheat in the scientific and technical program of the 8th World Congress of Food Science and Technology held in Toronto, Canada during September 29-0ctober 4, 1992. In selecting the topics for the symposium on wheat, we attempted to cover a full range of subjects including economics and marketing, nutrition, grading, processing, constituent chemistry and functionality, biote- nology, and safety of genetically modified wheat varieties. The major focus was on common hard (bread) wheats; separate papers were devoted to the unique characteristics and technological properties of common soft (biscuit) and durum (pasta) wheats. Each paper was presented by an acknowledged international expert. This book provides a more permanent record of the papers presented at the symposium.

A Critical Companion to Zoosemiotics: - People, Paths, Ideas (Paperback, 2010 ed.): Dario Martinelli A Critical Companion to Zoosemiotics: - People, Paths, Ideas (Paperback, 2010 ed.)
Dario Martinelli
R4,508 Discovery Miles 45 080 Ships in 10 - 15 working days

A critical companion of zoosemiotics is the first attempt to systematise the study of animal communication and signification through its most important and/or problematic terms and concepts, and its most representative scholars. It is a companion, in that it attempts to cover the entire range of key terms in the field, and it's critical, in that it aims not only to describe, but also to discuss, problematise and, in some cases, resolve, these terms.

Acid Deposition and the Acidification of Soils and Waters (Paperback, Softcover reprint of the original 1st ed. 1986): J. O.... Acid Deposition and the Acidification of Soils and Waters (Paperback, Softcover reprint of the original 1st ed. 1986)
J. O. Reuss, D.W. Johnson
R1,516 Discovery Miles 15 160 Ships in 10 - 15 working days

The majority of this book was written in 1983-84 while the senior author was a Visiting Scientist at Oak Ridge National Laboratory (ORNL) in Oak Ridge, Tennessee. We believe that the approach to the problem of acid deposition effects on soils and waters developed during this collaboration contains ele ments that are significantly different from most prior work in this area. Some of the material and the software used in the development of these concepts stem from earlier individual efforts of the authors. However, what we believe to be the more significant concepts concerning the processes by which alkalinity may be developed in acid soil solutions, and by which acid deposition may contrib ute to the loss of this alkalinity, were the result of this collaboration. The ultimate usefulness of these concepts in understanding and dealing with various aspects of the problems associated with acid deposition cannot be adequately gauged at the present time. They must first withstand tests of con sistency with available observation, and of direct experimentation. It is our hope that dissemination through this book will facilitate this process within the scientific community. The authors wish to thank the administration of the Environmental Science Division at ORNL, and the College of Agricultural Sciences at Colorado State University for their support in arranging this collaboration. We also wish to express our appreciation for the financial support provided by EPA. Personal thanks are due to Dr."

The Entolomataceae of Tasmania (Hardcover, 2012 ed.): machiel noordeloos, Genevieve M. Gates The Entolomataceae of Tasmania (Hardcover, 2012 ed.)
machiel noordeloos, Genevieve M. Gates
R4,559 Discovery Miles 45 590 Ships in 10 - 15 working days

This book is the result of 14 years of collecting Entolomataceae in the native forests of Tasmania, Australia. Although initially involving only the Tasmanian residents Genevieve Gates and David Ratkowsky, who made twice- or thrice-weekly forays into the forests throughout the year, the project was subsequently joined by agaric specialist Machiel Noordeloos from the Netherlands, and by fungi photographer Michael Pilkington from the United Kingdom. The international character of the project is further evidenced by the earlier contributions of American mycologist Tim Baroni to the Tasmanian Rhodocybe species which form the basis of the chapter on the now-expanded concept of Clitopilus, and a visit of several months in 2010 by Brazilian Ph.D. candidate Fernanda Karstedt, who tested the keys to the Entoloma species. Consequently, several thousand well-annotated collections were found during this inventory and form the basis of this monographic treatment of the Entoloma and Clitopilus of Tasmania. The resulting 90 Entoloma species and 10 Clitopilus species are well documented with standardized descriptions, line drawings of fruit bodies and diagnostic microscopic characters, and, when available, with colour photographs. Thanks to the intensive search, it was possible to illustrate most species in colour. Dichotomous keys facilitate identification of the species. The species concept used is morphologically based; in several cases, however, identification to species level is supported by molecular data.

Analysis of Pesticides in Ground and Surface Water II - Latest Developments and State-of-the-Art of Multiple Residue Methods... Analysis of Pesticides in Ground and Surface Water II - Latest Developments and State-of-the-Art of Multiple Residue Methods (Paperback, Softcover reprint of the original 1st ed. 1995)
A. Brandt; Edited by H-.J. Stan; Contributions by U. a. T. Brinkmann, S. Butz, K. Burger, …
R2,940 Discovery Miles 29 400 Ships in 10 - 15 working days

Public concern is being increasingly directed to pesticides and their residues in ground and surface waters. Water - one of the necessities of life - has to be kept clean for man and the environment. Part I and II of this book describe in an authoritative way all aspects of modern analysis of pesticides in water by the consequent use of hyphenated techniques like GC-AED or HPLC-MS.

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