![]() |
Welcome to Loot.co.za!
Sign in / Register |Wishlists & Gift Vouchers |Help | Advanced search
|
Your cart is empty |
||
|
Books > Professional & Technical > Agriculture & farming > Agricultural science
Gain a better understanding of the genetic and physiological bases of stress response and stress tolerance as part of crop improvement programs Abiotic Stresses: Plant Resistance Through Breeding and Molecular Approaches explores innovative methods for breeding new varieties of major crops with resistance to environmental stresses that limit crop production worldwide. Experts provide you with basic principles and techniques of plant breeding as well as work done in relation to improving resistance in specific important world food crops. This book supplies extensive bibliographies at the end of each chapter, as well as tables and figures that illustrate the research findings. Abiotic Stresses is divided into two sections. In the first section, you will find: the general principles of breeding crops for stress resistance genetic engineering and molecular biology procedures for crop improvement for stress environments data on genome mapping and its implications for improving stress resistance in plants information about breeding for resistance/tolerance to salinity, drought, flooding, metals, low nutrient availability, high/low temperatures The second section of this timely resource focuses on the efforts of acknowledged specialists who concentrated their efforts on important individual crops, such as: wheat barley rice maize oilseed crops cotton tomato This book fills a niche and interface in the available literature as it deals with all of the major stresses from a perspective of crop breeding, covering the latest advances in molecular breeding technology. Abiotic Stresses will help scientists and academics in botany, plant breeding, plant environmental stress studies, agriculture, and horticulture modify and improve breeding programs globally.
Large areas of the warm, humid tropics in Southeast Asia, the Pacific, Latin America, the Caribbean, and Africa are hilly or mountainous. Jackson and Scherr (1995) estimate that these tropical hillside areas are inhabited by 500 million people, or one-tenth of the current world population, many of whom practice subsistence agriculture. The region most affected is Asia which has the lowest area of arable land per capita. Aside from limited areas of irrigated terraces, most of the sloping land, which constitutes 60% to 90% of the land resources in many Southeast Asian countries, has been by-passed in the economic development of the region (Maglinao and Hashim, 1993). Poverty in these areas is often high, in contrast to the relative wealth of irri gated rice farms in lowland areas that benefited from the green revolution. Rapid population growth in some countries is also exacerbating the problems of hillside areas. Increasingly, people are migrating from high-potential lowland areas where land is scarce to more remote hillside areas. Such migra tion, together with inherent high population growth, is forcing a transforma tion in land use from subsistence to permanent agriculture on fragile slopes, and is creating a new suite of social, economic, and environmental problems (Garrity, 1993; Maglinao and Hashim, 1993)."
Towards Sustainable Use of Rangelands in China's North West is based on the program of the International Conference Implementing GEF Objectives in a Systems Framework held in Lanzhou, Gansu, China in October 2008. This collection reviews the extent of resource debasement in China's pastoral zones and offers solutions for their sustainable use. The five parts deal with ran- lands, and the people who manage them, and assess prospects for implementation of more sustainable rangeland/livestock production systems. Topics include Livestock husbandry development and agro-pastoral integration in Gansu and Xinjiang; Ecological restoration and control of rangeland degradation. Despite widespread degradation, the articles reveal the approaches that are likely to lead to recovery of these rangelands and better livelihoods for the local herders and farmers. Two chapters are devoted to the achievement of global environmental objectives. Carbon sequestration and biodiversity conservation in mountain grasslands are just a few of the covered subjects. This portion of the book pays special attention to the successful results in Gansu and Xinjiang - major regions of China's pastoral lands. The final division addresses measures to improve the profitability and susta- ability of herding and farming in the pastoral areas of north-west China There are fifteen chapters on subjects that include: Livestock management, Rangeland management interventions, Agro-pastoral integration, Improved animal husbandry practices as a basis for profitability. Land tenure and access, Environmental education, Ecological Restoration and New Management approaches for China's northwest pastoral areas.
Written by a renowned professional with more than 30 years of
experience in environmental sampling and analysis, this reference
describes in unparalleled detail all the essential elements for the
development and execution of a successful sampling plan at both
contaminated and uncontaminated sites. The book covers presampling
planning and decision-making, specific sampling situations, and
correct sample labeling, and presents the framework and background
for the sampling of any contaminated site. Presenting a wide
variety of models, quality control procedures, and valuable
troubleshooting methods, Field Sampling contains an abundance of
topics never before covered in any other source.
This book is the outcome of more than 20 years of experience of the author in teaching and research field. The wider scope and coverage of the book will help not only the students/ researchers/professionals in the field of agriculture and allied disciplines, but also the researchers and practitioners in other fields. Written in simple and lucid language, the book would appeal to all those who are meant to be benefitted out of it. All efforts have been made to present "RESEARCH", its meaning, intention and usefulness. The book reflects current methodological techniques used in interdisciplinary research, as illustrated with many relevant worked out examples. Designing of research programme, selection of variables, collection of data and their analysis to interpret the data are discussed extensively. Statistical tools are complemented with real-life examples, making the otherwise complicated subject like statistics seem simpler. Attempts have been made to demonstrate how a user can solve the problems using simple computer-oriented programme. Emphasis is placed not only on solving the problems in various fields but also on drawing inferences from the problems. The importance of instruments and computers in research processes and statistical analyses along with their misuse/incorrect use is also discussed to make the user aware about the correct use of specific technique. In all the chapters, theories are combined with examples, and steps are enumerated to follow the correct use of the available packages like MSEXCELL, SPSS, SPAR1, SAS etc. Utmost care has been taken to present varied range of research problems along with their solutions in agriculture and allied fields which would be of immense use to readers.
Interest in biofuels began with oil shocks in the 1970's, but the more rapid development and consumption of biofuel industry in recent years has been primarily driven by mandates, subsidies, climate change concerns, emissions targets and energy security. From 2004 to 2006, fuel ethanol grew by 26% and biodiesel grew by 172%. As biofuel production continues to expand, investments in capacity expansion and research and development have been made. The 2008 food crisis emphasized the need to re-examine biofuel consequences. Biofuels remain an important renewable energy resource to substitute for fossil fuels, particularly in the transportation sector, yet biofuels' success is still uncertain. The future of biofuels in the energy supply mix relies on mitigating potential and improving the environmental gains. This book brings together leading authorities on biofuel from the World Bank to examine all of the impacts of biofuel (economic, social, environmental) within a unified framework and in a global perspective, making it of interest to academics in agricultural and environmental economics as well as industry and policy-makers.
Evaluating traditional and recent analytical methods according to speed, sensitivity, and cost-efficiency, this reference supports specialists in the selection of effective analytical techniques and equipment for the study of soils, soil contaminants, and environmental samples. Updated and revised, this Third Edition illustrates the advantages, limitations, range, and challenges of the major analytical approaches utilized in modern research laboratories. It includes new chapters and expanded discussions of the measurement of organic pollutants in the environment and gas fluxes between the land surface and atmosphere, and an extensive range of environmental materials.
Learn what it takes to create and implement a truly successful seed policy!This unique book brings together international experts on seed policy and law. While other books approach the subject from the perspective of seed industry development and privatization, Seed Policy, Legislation, and Law makes clear that a successful national seed policy must be based on a thorough analysis of connected issues such as biodiversity and rural development. In addition to giving you an essential overview of seed regulatory reform, this book will also bring you up to date on recent developments in the field, such as intellectual property and the biosafety of GMOs.Seed Policy, Legislation, and Law examines: quality control issues in developing countries case studies from Turkey, Uganda, and Bangladesh property rights for plant varieties the regulation of genetically modified seeds in emerging economies agro-biodiversity as it relates to seed policy why a farmer seed system is essential in a national seed sector the impact of the transition from central seed sector planning to a free market how international seed associations can impact policy development new technological developments like GURTs and appropriate policy responses
This contributed volume gives a state-of-the-art overview of microplastics and nanoplastics (MPs and NPs) in soils and their relationship with growing plants. Through chapters contributed by a wide variety of researchers, the book offers readers an understanding of MP and NP adsorption, uptake, and effects, as well as implications for trophic transmission, food safety, and security. Cutting-edge topics such as trophic transfer and remediation of MPs and NPs in soil samples are also addressed. The book begins with a primer on terrestrial MPs and NPs, their effects on terrestrial plants, and how these contaminants affect human populations. From there, the volume is split into four sections which address both problems caused by MPs and NPs in soil and potential remediation solutions. The first section deals with the mechanics of how MPs and NPs pollute soils and how toxic chemicals affect the soil profile and its flora, fauna and microbes. The second section of the book discusses trophic transfer of MPs and NPs from roots to shoot, shoot to leaves, and then to fruits. The third section details the threats to humans that are present as a result of MPs and NPs in soils. The fourth and last section gives covers bioremediation techniques that can be employed in order to reclaim polluted soils.
This book on SOIL has been written in a very simple and straightforward manner, which is easy to understand by anyone who may have a simple academic background of general science. This book contains the basic properties of soil, which have been distinctly described under separate chapters, which include an Introduction, Physical, Chemical, Mineralogical, and its Biological properties. In addition, a comprehensive descriptive picture of Soil has been presented in the following chapter of Soil survey and classification which brings out the entire philosophy of soil and its classification methodology in a very precise manner. It is based on the Classification System developed in the United States of America and is agreed upon by the Soil Scientists of the most parts of the world. This is an open system and is very viable, because it has a tremendous scope of improvements in future. This is essential when one considers that soil itself is a very dynamic system in nature. Finally the book ends with an insight for Crop production based on its variable properties followed by its last chapter Soil Care. This last chapter aims at the sustainability and productivity of our soil resour world that soil is a living identity and must be used with utmost care. Based on my thirty-eight years of prolonged learning which includes all the theories and the practical aspects of Soil I must say, It is the only natural gift on which all kinds of living things have been depended upon and will continue to depend in future too. So each of us has to remain obliged towards this, which is always under our feet.
The interaction between the fungus Leptosphaeria maculans and oilseed rape (Brassica napus) is becoming an excellent model system for studying genetics of host-pathogen interactions. Leptosphaeria maculans causes phoma stem canker (blackleg) on oilseed rape and other Brassica crops worldwide. Recently, application of molecular techniques has led to increased understanding of the genetics of this hemibiotrophic interaction. The complete sequences of the genomes of L. maculans and B. rapa (comprising the Brassica A genome) will be available soon. This will provide new opportunities to investigate basic metabolic pathways in the host and the pathogen, and detailed knowledge of the disease process. Worldwide, the major strategy for control of phoma stem canker is the use of cultivars with resistance to L. maculans.
This book is a collection of papers presented at the 'Forum "Math-for-Industry" 2016 ' (FMfl2016), held at Queensland University of Technology, Brisbane, Australia, on November 21-23, 2016. The theme for this unique and important event was "Agriculture as a Metaphor for Creativity in All Human Endeavors", and it brought together leading international mathematicians and active researchers from universities and industry to discuss current challenging topics and to promote interactive collaborations between mathematics and industry. The success of agricultural practice relies fundamentally on its interconnections with and dependence on biology and the environment. Both play essential roles, including the biological adaption to cope with environmental challenges of biotic and abiotic stress and global warming. The book highlights the development of mathematics within this framework that successful agricultural practice depends upon and exploits.
This book, first published in 1990 and reprinted here, is a comprehensive, state-of-the art reference on the design principles and management techniques of two primary agricultural irrigation methods. The book presents a systematic approach to the optimal design, management and operation of these two systems. Focusing on the synthesis of the entire design process, the authors present the chapters in the sequence used to design systems with the analytical material presented and demonstrated in a concise manner. For the first time in any book, Sprinkle and Trickle Irrigation offers complete design strategies and presentations for all of the major types of sprinkle and trickle systems: - Periodic-move - Center-pivot - Traveling sprinkler - Linear-moving - Set sprinkler - Drip, spray and line-source Sequential sample calculations that involve the steps in the design of typical irrigation systems are used extensively. As the book progresses, these calculations become more comprehensive and are linked together to form complete design packages for the various types of pressurized systems. The book also presents a section on selecting pressurized irrigation systems, a review of soil-plant-water relationships, unique insight into pipeline hydraulics and economics, design specifications for fertilization and frost control, a glossary and an annotated bibliography of ASAE Standards for Pressurized Irrigation Systems. Sprinkle and Trickle Irrigation is an important practical reference for agricultural engineers, irrigation system designers and agricultural managers, as well as a vital text for professors and researchers in agricultural engineering. "Sprinkle and Trickle Irrigation presents beginning-to-end coverage of the processes and computations needed in the planning and design of sprinkle and trickle irrigation systems. The textbook is created for the thinking person who desires more than cookie-cutter recipes or simple, routine "rule-of-thumb" designs. Rather, the authors of Sprinkle and Trickle Irrigation present concise rationale and philosophy behind each computation formula, figure and table. They decouple "recommended" design parameters into underlying components that can be recoupled at the time of the design to apply to specific cases and situations. In the process, the reader gains visualization skills that allow him/her to peer "inside" an irrigation system, both hydraulically, economically, and operationally. Sprinkle and Trickle Irrigation is a classic design text and reference that should be on every practitioner's desk. The chapters on center-pivot, linear-move and travelling sprinklers go well beyond other current texts. Solid and encompassing economics are infused into all design topics, including application, distribution, and pumping systems. I have lectured out of Sprinkle and Trickle Irrigation for twelve years at the university-senior level. I am confident that all students who completed this design course know not only how to design efficient and effective pressurized irrigation systems, but also know why they use the procedures that they use." Dr. Richard G. Allen, Professor, University of Idaho
In this book we present ten chapters describing the synthesis and application of nanomaterials for health, food, agriculture and bioremediation. Nanomaterials, with unique properties are now being used to improve food and agricultural production. Research on nanomaterials is indeed revealing new applications that were once thought to be imaginary. Specifically, applications lead to higher crop productivity with nanofertilisers, better packaging, longer food shelf life and better sensing of aromas and contaminants. these applications are needed in particular in poor countries where food is scarce and the water quality bad. Nanotechnology also addresses the age old issue of water polluted by industrial, urban and agricultural pollutants. For instance, research produces nanomaterials that clean water more efficiently than classical methods, thus yielding water for drinking and irrigation. However, some nanomaterials have been found to be toxic. Therefore, nanomaterials should be engineered to be safe for the environment.
Production of food to meet the demands of an ever-increasing human population in the world is the major task and challenge to agriculture today. The conventional methods of plant breeding alone can no longer cope with the situation. The success of any crop improvement program depends on the extent of genetic variability in the base population, but due to denuding of forests and agricultural land, the naturally occurring pool of germplasm is being depleted. An urgent need is therefore ap parent to create new variability and increase the genetic base of agricul tural crops. Agricultural biotechnology has progressed to a stage in the produc tion of plants where specific characteristics to improve their yield, ap pearance, disease-resistance, nutritional quality and adaptation to ad verse soil conditions can be built into the seed. This concept of built-in quality implies a continuous scientific endeavour to improve plant char acters using a wide range of possibilities, and it also implies a scrutiny of the materials and methods available in the world today."
Development of superior crops that have consistent performance in quality and in quantity has not received the same emphasis in the field of genetics and breeding as merited. Specialty trait requires special focus to propagate. Yet basic germplasm and breeding methodologies optimized to improve crops are often applied in the development of improved specialty types. However, because of the standards required for specialty traits, methods of development and improvement are usually more complex than those for common commodity crops. The same standards of performance are desired, but the genetics of the specialty traits often impose breeding criteria distinct from those of non-specialty possessing crops. Specifically, quality improvement programs have unique characteristics that require careful handling and monitoring during their development for specific needs. Adding value either via alternative products from the large volumes of grain produced or development of specialty types is of interest to producers and processors. This work assimilates the most topical results about quality improvement with contemporary plant breeding approaches.The objective of this book is to provide a summary of the germplasm, methods of development, and specific problems involved for quality breeding. In total, fourteen chapters, written by leading scientists involved in crop improvement research, provide comprehensive coverage of the major factors impacting specialty crop improvement.
As agriculture becomes more mechanized and science increases the possibilities for using inputs to enhance production, the role of PGRs becomes more vital. Plant Growth Regulators in Agriculture and Horticulture provides agriculture professionals and researchers with the information needed to effectively tap these versatile resources to enhance crop production.Through discussions of the "classical five" phytohormones--gibberellins, cytokinins, ethylene, abscisic acid, and auxins--and the growing number of nontraditional PGRs such as oligosaccharins and brassinosteroids, Plant Growth Regulators in Agriculture and Horticulture reviews past and present uses of PGRs in managing crop yield and offers some speculation on future directions.Detailed discussions on the use of PGRs in, for example, grain, ornamental, and citrus crops, introduce readers to strategies for enhancing crop quantity and quality, for improving the postproduction quality of life of perishable plants, and for crop load management, respectively. The book also includes informative visuals, such as tables of common, chemical, and trade names of different commercially available PGRs; diagrams of various PGR processes; as well as before-and-after pictures illustrating the effects of PGRs.Plant Growth Regulators in Agriculture and Horticulture is a comprehensive text covering the role of plant growth regulators in: root formation manipulating yield potential plant stress protection ornamental horticulture postharvest life of ornamentals manipulating fruit development and storage quality citriculture reducing fruit drop bloom-thinning strategiesIf the history of agriculture, which is over 10,000 years old, was condensed into a twenty-four-hour span, science-based plant breeding would be only about fifteen minutes old. Still, the role of PGRs in agriculture is modest compared to other agrochemicals, such as fungicides, herbicides, and insecticides. Plant Growth Regulators in Agriculture and Horticulture is an invaluable guide to the varied roles filled by PGRs in the attainment of higher-quality, better-yielding crops.
Agricultural Policy in the United States: Evolution and Economics traces U.S. agricultural policy from its colonial roots to the present, using economic concepts to analyze and interpret political and economic consequences. It also examines the processes by which agricultural policies are developed, and the government structure which supports the implementation of legislation passed by Congress. The book includes arguments for and against common tools of U.S. agricultural policy, without influencing the reader in a particular direction. Each chapter contains questions and exercises to support students' learning, and technical economic material is contained in optional appendices. This second edition examines the Agriculture Improvement Act of 2018 and sets the scene for future policy developments. Additionally, it looks at trade wars and the impact of Black Swan events like the COVID-19 pandemic on agricultural resilience.
Most philosophers still like to feel that they have a special subject matter, well insulated from anything that the social scientists, and scientists in general, have to tell them. That is not healthy for philosophy; and it is all too likely to lead to an ethics that continues, as of old, to plead for its ultimates-the fact that one is totally ineffectual being decently concealed by an impressive terminology. (Stevenson 1963, pp. 114-5) Many so-called moral theories do not even attempt to explain or justify common morality but are used to generate guides to conduct intended to replace common morality. These p- posed moral guides, those generated by all of the standard consequentialist, contractarian, and deontological theories, are far simpler than the common moral system and sometimes yield totally unacceptable answers to moral problems. Since these philosophers who put forward these theories have usually dismissed common morality as confused, they are c- pletely unaware of the complexity involved in making moral decisions and judgments. It is not surprising that many who take morality seriously and try to apply it to real problems faced by actual people are so critical of moral theory. (Bernard Gert 1998, p. 6) As both Stevenson and Gert note, ethics requires social and other sciences for by its very nature, ethics is a practical enterprise.
As agriculture becomes more mechanized and science increases the possibilities for using inputs to enhance production, the role of PGRs becomes more vital. Plant Growth Regulators in Agriculture and Horticulture provides agriculture professionals and researchers with the information needed to effectively tap these versatile resources to enhance crop production.Through discussions of the "classical five" phytohormones--gibberellins, cytokinins, ethylene, abscisic acid, and auxins--and the growing number of nontraditional PGRs such as oligosaccharins and brassinosteroids, Plant Growth Regulators in Agriculture and Horticulture reviews past and present uses of PGRs in managing crop yield and offers some speculation on future directions.Detailed discussions on the use of PGRs in, for example, grain, ornamental, and citrus crops, introduce readers to strategies for enhancing crop quantity and quality, for improving the postproduction quality of life of perishable plants, and for crop load management, respectively. The book also includes informative visuals, such as tables of common, chemical, and trade names of different commercially available PGRs; diagrams of various PGR processes; as well as before-and-after pictures illustrating the effects of PGRs.Plant Growth Regulators in Agriculture and Horticulture is a comprehensive text covering the role of plant growth regulators in: root formation manipulating yield potential plant stress protection ornamental horticulture postharvest life of ornamentals manipulating fruit development and storage quality citriculture reducing fruit drop bloom-thinning strategiesIf the history of agriculture, which is over 10,000 years old, was condensed into a twenty-four-hour span, science-based plant breeding would be only about fifteen minutes old. Still, the role of PGRs in agriculture is modest compared to other agrochemicals, such as fungicides, herbicides, and insecticides. Plant Growth Regulators in Agriculture and Horticulture is an invaluable guide to the varied roles filled by PGRs in the attainment of higher-quality, better-yielding crops. |
You may like...
Intelligence of Apes and Other Rational…
Duane M. Rumbaugh, David A. Washburn
Hardcover
R1,905
Discovery Miles 19 050
Trans-Atlantic Passages - Philip Hale on…
J. Mitchell
Hardcover
Conductors and Composers of Popular…
Reuben Musiker, Naomi Musiker
Hardcover
R2,231
Discovery Miles 22 310
|