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Books > Professional & Technical > Agriculture & farming > Horticulture

Soilborne Microbial Plant Pathogens and Disease Management, Volume One - Nature and Biology (Paperback): P. Narayanasamy Soilborne Microbial Plant Pathogens and Disease Management, Volume One - Nature and Biology (Paperback)
P. Narayanasamy
R1,440 Discovery Miles 14 400 Ships in 12 - 17 working days

Soilborne microbial plant pathogens including oomycetes, fungi, bacteria and viruses cause several economically important destructive diseases and the symptoms of infection can be recognized only after the pathogen has invaded many tissues primarily vascular tissues of susceptible plants. This condition places formidable challenges in investigating different aspects of host-microbial pathogen interactions. Early detection of infection and precise identification, differentiation, and quantification of the microbial plant pathogens in plants, soil and water sources are essential requirements for development of effective tactics to reduce the incidence and spread of the diseases caused by them. As the microbial plant pathogens differ in their virulence and sensitivity to the environment and chemicals applied, it is imperative to assess the extent of variability in the concerned pathogens. This first volume of a two-volume set introduces disease-causing microorganisms including oomycetes, fungi, bacteria, and viruses found in soils. It focuses on the biology, detection, and identification of soilborne bacterial, fungal, and viral plant pathogens. This volume discusses various techniques based on biological, immunological and genetic properties of the pathogens indicating their advantages and limitations for selecting the appropriate technique to fulfill the requirements. Features: Presents techniques useful for detection, identification, quantification of microbial plant pathogens in plants, soil, and irrigation water from waterbodies. Highlights subversive activities of viruses, resulting in the breakdown of host defense systems. Discusses RNA silencing in infected plants by viruses and posttranscriptional gene silencing (PTGS) functioning as an endogenous mechanism in plants against virus infection. Presents information on methods of assessment of genetic variability and sensitivity of microbial plant pathogens to chemicals and adverse environmental conditions.

Soilborne Microbial Plant Pathogens and Disease Management, Volume Two - Management of Crop Diseases (Paperback): P.... Soilborne Microbial Plant Pathogens and Disease Management, Volume Two - Management of Crop Diseases (Paperback)
P. Narayanasamy
R1,434 Discovery Miles 14 340 Ships in 12 - 17 working days

Crop disease management strategies revolve around the principles of exclusion, eradication and immunization. Cultural practices are aimed at preventing or reducing the accumulation of pathogen population (inoculum). Development of cultivars with genetic resistance by transgressing resistance gene(s) through traditional breeding procedures or biotechnological techniques is the most effective and acceptable strategy, as it is environment-friendly and does not need any additional cost to the grower. Assessment of different grades of resistance of cultivars or genotypes to soilborne microbial pathogens has been possible by quantifying pathogen populations or their DNA contents in the test plants by applying biological and molecular methods. This second volume of a two-volume set focuses on the soilborne microbial plant pathogens and the diseases caused by them. The book provides information on ecology and epidemiology of soilborne microbial plant pathogens and various strategies applicable for effective management of diseases. Chapters cover exclusion and prevention strategies; improvement of host plant resistance; biological management; application of chemicals; and integration of these disease management strategies. Features Discusses various aspects of soilborne microbial plant pathogens to develop effective methods of managing diseases. Presents information on epidemiology and ecology of soilborne microbial plant pathogens. Facilitates the application of management strategies alone or in combination with others for effective suppression of disease development. Features information on application of biotic and abiotic biological control agents (BCAs) to suppress pathogen development either by directly acting on the pathogen(s) or indirectly by enhancing host resistance to the pathogens. Employs biotic and abiotic biocontrol agents either to replace or reduce the use of chemicals is an achievable approach for managing the soilborne microbial pathogens.

Ecological Complexity and Agroecology (Hardcover): John Vandermeer, Ivette Perfecto Ecological Complexity and Agroecology (Hardcover)
John Vandermeer, Ivette Perfecto
R4,497 Discovery Miles 44 970 Ships in 12 - 17 working days

This text reflects the immense current growth in interest in agroecology and changing approaches to it. While it is acknowledged that the science of ecology should be the basis of agroecological planning, many analysts have out-of-date ideas about contemporary ecology. Ecology has come a long way since the old days of "the balance of nature" and other romantic notions of how ecological systems function. In this context, the new science of complexity has become extremely important in the modern science of ecology. The problem is that it tends to be too mathematical and technical and thus off-putting for the average student of agroecology, especially those new to the subject. Therefore this book seeks to present ideas about ecological complexity with a minimum of formal mathematics. The book's organization consists of an introductory chapter, and a second chapter providing some of the background to basic ecological topics as they are relevant to agroecosystrems (e.g., soil biology and pest control). The core of the book consists of seven chapters on key intersecting themes of ecological complexity, including issues such as spatial patterns, network theory and tipping points, illustrated by examples from agroecology and agricultural systems from around the world.

The Fundamentals of Horticulture - Theory and Practice (Paperback): Chris Bird The Fundamentals of Horticulture - Theory and Practice (Paperback)
Chris Bird
R1,499 Discovery Miles 14 990 Ships in 9 - 15 working days

Essential reading for all studying horticulture and keen gardeners. This clear introduction to the principles underlying the practical applications of horticulture opens up the excitement of growing plants and garden development without readers wading through complex information. Written by a team of highly motivated and experienced horticultural tutors, the text supports the newly restructured RHS Level 2 qualifications with related Level 3 topics in boxes and signposting to Level 4 topics, together with other horticultural qualifications at these levels. Full colour images tied closely to the text and practical case study boxes inspire readers by making topics relevant to their own horticultural experiences. A comprehensive glossary helps build confidence in the use of classical horticulture language as well as new developing terms, and end-of-chapter questions encourage readers to apply what they have learnt. Extensive online supporting material includes mind maps showing the relationship of topics and aiding students in revision.

Diary of a Modern Country Gardener (Hardcover): Tamsin Westhorpe Diary of a Modern Country Gardener (Hardcover)
Tamsin Westhorpe
R707 R603 Discovery Miles 6 030 Save R104 (15%) Ships in 9 - 15 working days

Written by a hard-working horticulturalist for fellow gardeners, the aim of this diary is to jog people's memories, share plant stories, demystify gardening and most importantly make the reader smile. You'll find a personal year-long diary of gardening along with favourite seasonal plants, timely reminders and entertaining tales of moving sheep, visiting RHS Chelsea Flower Show and speaking at garden clubs. Tamsin's open garden is at the heart of a working farm, so her book reflects the twists and turns of the countryside. For anyone just about to embark on a life in the country, or whose town garden is never tidy and who wonders how the professionals do it, it's a must read. Pick up tips on how to keep warm whilst gardening, get rid of chilblains and grow seasonal food from someone who lives, breathes and eats country gardening.

Sustainable Horticulture, Volume 1 - Diversity, Production, and Crop Improvement (Paperback): Debashis Mandal, Amritesh C.... Sustainable Horticulture, Volume 1 - Diversity, Production, and Crop Improvement (Paperback)
Debashis Mandal, Amritesh C. Shukla, Mohammed Wasim Siddiqui
R2,566 Discovery Miles 25 660 Ships in 12 - 17 working days

Sustainable Horticulture, Volume 1: Diversity, Production, and Crop Improvements is part of a two-volume compendium that addresses the most important topics facing horticulture around the world today. Volume 1, on Diversity, Production, and Crop Improvement, outlines the contemporary trends in sustainable horticulture research, covering such topics as crop diversity, species variability and conservation strategies, production technology, tree architecture management, plant propagation and nutrition management, organic farming, and new dynamics in breeding and marketing of horticulture crops. Sections include: Genetic Resources & Biodiversity Conservation Production & Marketing of Horticulture Crops Crop Improvement & Biotechnology Together with Volume 2: Food, Health, and Nutrition, this two-volume compendium presents an abundance of new research on sustainable horticulture that will be valuable for a broad audience, including students of horticulture, faculty and instructors, scientists, agriculturists, government and nongovernment organizations, and other industry professionals.

Illustrated Plant Glossary (Paperback): Enid Mayfield Illustrated Plant Glossary (Paperback)
Enid Mayfield
R1,241 Discovery Miles 12 410 Ships in 9 - 15 working days

The Illustrated Plant Glossary is a comprehensive glossary of over 4000 terms related to plant sciences, featuring superb colour illustrations to aid comprehension of many of the plant terms. The topics covered in this glossary include anatomy, angiosperms, bryophytes, chemistry, cytology, family specific terms, ferns and fern allies, flowers, fruit, genetics, gymnosperms, habit and growth, habitat and ecology, indumentum, inflorescence, leaves, reproduction, roots, seeds, systematics and more. The Illustrated Plant Glossary sets a new standard in glossaries and is a must-have reference for plant scientists, plant science teachers and students, libraries, horticulturalists, ecologists, gardeners and naturalists.

Temperate Fruits - Production, Processing, and Marketing (Hardcover): Debashis Mandal, Ursula Wermund, Lop Phavaphutanon,... Temperate Fruits - Production, Processing, and Marketing (Hardcover)
Debashis Mandal, Ursula Wermund, Lop Phavaphutanon, Regina Cronje
R4,469 Discovery Miles 44 690 Ships in 12 - 17 working days

This volume, Temperate Fruits: Production, Processing, and Marketing, presents the latest pomological research on the production, postharvest handling, processing and storage, and information on marketing for a selection of temperate fruits. These include apple, pear, quince, peach, plum, sweet cherry, kiwifruit, strawberry, mulberry, and chestnut. With chapters from fruit experts from different countries of the world, the book provides the latest information on the effect of climate change on fruit production, organic fruit growing and advanced fruit breeding, the nutraceutical value and bioactive compounds in fruits and their role in human health, and new and advanced methods of fruit production. Topics include microirrigation, sustainable nutrient management, crop protection and plant health management, and farm mechanization.

Winemaking - Basics and Applied Aspects (Hardcover): Ramesh C. Ray, V.K. Joshi Winemaking - Basics and Applied Aspects (Hardcover)
Ramesh C. Ray, V.K. Joshi
R6,190 Discovery Miles 61 900 Ships in 12 - 17 working days

Wine is one of the oldest forms of alcoholic beverages known to man. Estimates date its origins back to 6000 B.C. Ever since, it has occupied a significant role in our lives, be it for consumption, social virtues, therapeutic value, its flavoring in foods, etc. A study of wine production and the technology of winemaking is thus imperative. The preparation of wine involves steps from harvesting the grapes, fermenting the must, maturing the wine, stabilizing it finally, to getting the bottled wine to consumers. The variety of cultivars, methods of production, and style of wine, along with presentation and consumption pattern add to the complexity of winemaking. In the past couple of decades, there have been major technological advances in wine production in the areas of cultivation of grapes, biochemistry and methods of production of different types of wines, usage of analytical techniques has enabled us to produce higher quality wine. The technological inputs of a table wine, dessert wine or sparkling wine, are different and has significance to the consumer. The role played by the killer yeast, recombinant DNA technology, application of enzyme technology and new analytical methods of wine evaluation, all call for a comprehensive review of the advances made. This comprehensive volume provides a holistic view of the basics and applied aspects of wine production and technology. The book comprises production steps, dotted with the latest trends or the innovations in the fields. It draws upon the expertise of leading researchers in the wine making worldwide.

Radioisotopes in Weed Research (Hardcover): Kassio Mendes Radioisotopes in Weed Research (Hardcover)
Kassio Mendes
R5,080 Discovery Miles 50 800 Ships in 12 - 17 working days

Herbicides are of great importance in weed management and are one of the most widely used pesticide groups for weed control across the globe. Concerns around the residual effects of these intensively used chemicals are equally widespread. Offering a new direction for research that focuses on herbicide behavior and its impacts on the environment, this book covers the use of radioisotopes in weed research and the detoxification of herbicides. Applying technological advances in radiation detection, Radioisotopes in Weed Research explains how isotopic techniques can be used to identify degradation products and trace the fate of herbicides applied to crop plants. This book provides essential information on the historical use and recent advances of radioisotopes in weed research. It demonstrates the potential these methods offer the field of weed science in gaining a better understanding of the behavior of herbicides in plants and soil and working to ensure the continuous, effective, and safe use of herbicides, minimizing harmful impacts on ecosystems. Features: Explains the radiometric method with studies of radiolabelled herbicides and includes case studies as examples Describes radiometric methods to study the behavior of herbicides in soil from transport and transformation to retention Elucidates the absorption, translocation, and metabolism studies of herbicides in plants Authored by a team of leading scientists, this book is written for professors, researchers, extensionists, graduate and undergraduate students, rural producers, and other professionals involved in weed science.

The Apothecaries' Garden - A History of the Chelsea Physic Garden (Paperback, New edition): Sue Minter The Apothecaries' Garden - A History of the Chelsea Physic Garden (Paperback, New edition)
Sue Minter
R323 Discovery Miles 3 230 Ships in 12 - 17 working days

In the heart of London, beside the Thames not far from the site of the world famous flower show, there is another magical garden. It has been there for over three hundred years and is now the calmest corner, and the most valuable four acres of freehold, in fashionable SW3. It has been the scene of some of the most important developments in the history of horticulture, medicine and twentieth-century agriculture. This book tells its fascinating story.

The Constituents of Medicinal Plants (Paperback, 3rd edition): Andrew Pengelly The Constituents of Medicinal Plants (Paperback, 3rd edition)
Andrew Pengelly
R798 Discovery Miles 7 980 Ships in 9 - 15 working days

A classic in the literature of herbal medicine, this book explains in simple terms the commonly occurring chemical constituents of medicinal plants, and how these react with the human body. The major classes of plant constituents, such as phenols, terpenes and polysaccharides, are described both in terms of their chemical structures and their pharmacological activities. The last 20 years has seen huge growth in research output in phytochemistry, and this edition has been thoroughly revised to incorporate up-to-date research. It contains a new chapter on resins and cannabinoids, and additional content on macrocarpals, essential oil chemotypes, mushroom polysaccharides, phytochemical synergy, and toxicology of phytochemicals. Features include: * Over 200 diagrams of chemical structures * Coverage of energetics, synergism and the emerging field of network pharmacology * New content on seaweeds and fungi, and polyphenol-rich foods * References to primary research literature in pharmacy, pharmacology, chemistry, plant biology, molecular biology, integrative medicine and many other disciplines Written by an experienced herbal practitioner, The Constituents of Medicinal Plants has become a standard textbook for courses on plant-based medicine. It is also an essential desktop reference for health practitioners, lecturers, researchers, producers, and anyone with an interest in how medicinal herbs work.

Vegetable Crops Breeding (Hardcover): Ravindra Mulge Vegetable Crops Breeding (Hardcover)
Ravindra Mulge
R3,019 Discovery Miles 30 190 Ships in 12 - 17 working days

For improvement of crops, information on its origin, distribution and evolution of crop and its related species is very essential. Information on genetics and genetic resources is prerequisite to choose the appropriate breeding strategies to fulfill the objectives. Objectives of breeding vary with region and also purpose for which the product is used i.e., for fresh market, for processing or dual purpose and how the crop is grown i.e., under protection, open field cultivation or kitchen garden, etc. Information on genetics and genetic diversity and objectives of breeding of vegetable crops is presented in the book. Depending on the objectives and genetics and genetic resources, breeding methods or procedures can be adopted and it will results in useful varieties or hybrids. Information on breeding of vegetable crops is covered in very abridged form in this book. Origin and evolution, genetics, genetic resources, breeding methods and varieties/hybrids developed is the sequence followed in presenting the information on each of the crops. Note: T&F does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka. This title is co-published with NIPA.

Irrigation Horticulture In Highland Guatemala - The Tablon System Of Panajachel (Paperback): Kent Mathewson Irrigation Horticulture In Highland Guatemala - The Tablon System Of Panajachel (Paperback)
Kent Mathewson
R1,264 Discovery Miles 12 640 Ships in 12 - 17 working days

This book examines the tablon system, a type of irrigated, raised-bed horticulture found in the present-day village of Panajachel in Guatemala. It demonstrates how individual Mayan farmers use the tablon system as a strategy for adapting to the demands of a local economy.

The Chestnut Handbook - Crop & Forest Management (Paperback): Gabriele Beccaro, Alberto Alma, Giancarlo Bounous, Jose... The Chestnut Handbook - Crop & Forest Management (Paperback)
Gabriele Beccaro, Alberto Alma, Giancarlo Bounous, Jose Gomes-Laranjo
R1,463 Discovery Miles 14 630 Ships in 12 - 17 working days

From Mediterranean Europe to Chile and from China to Australia, chestnut cultivation surface has greatly increased globally over the last several decades. The crop provides solid revenue to growers, is resilient to climate change and the fruits are a calorie-dense, carbohydrate-rich nut, the production of which improves soil and sequesters carbon. However, there is a great lack and a great need for technical information on management of old and new chestnut plantations. The Chestnut Handbook shares achievements in chestnut development and cultivation including information on sustainable planning and management of chestnut production from nursery to plantation, entomology, pathology, and ecosystem services. Cultivation techniques of Chinese, Japanese, and European chestnut species including hybrids are described containing information on over 550 local and commercial cultivars. Beautiful original handmade drawings and technical sheets facilitate accessibility and comprehension of information. FEATURES: * Offers practical, easy-to-follow, technical solutions for chestnut farming and forestry, provides ideas for present and future plantations and management * Contains more than 300 figures published in full color featuring original handmade drawings * Provides information about cultural practices, nursery techniques and ecosystem services * Includes a reference list of over 550 local and commercial cultivars of Chinese, Japanese, and European chestnut species and their hybrids * Presents important information on both major and minor pests and diseases as well as pest diseases and physiological disorders. With the collaboration of more than 30 researchers from internationally renowned institutes, professionals and nurserymen this book serves as a technical reference and valuable resource for agronomists, forest experts, farmers, researchers and students of agricultural and forestry sciences.

Sustainable Horticulture, Volume 2: - Food, Health, and Nutrition (Paperback): Debashis Mandal, Amritesh Shukla, Mohammed Wasim... Sustainable Horticulture, Volume 2: - Food, Health, and Nutrition (Paperback)
Debashis Mandal, Amritesh Shukla, Mohammed Wasim Siddiqui
R2,556 Discovery Miles 25 560 Ships in 12 - 17 working days

Sustainable Horticulture, Volume 2: Food, Health, and Nutrition addresses some of the most important topics facing horticulture around the world today. This volume, part of the two-volume compendium, focuses on research trends in sustainable horticulture that include postharvest management and processed food production from horticulture crops, crop protection and plant health management, and horticulture for human health and nutrition. Global food demand is expected to be double by 2050, while at the same time the production environment and natural resources are continually shrinking and deteriorating due to many complex factors. Horticulture, a major sector of agriculture, is vital to enhancing crop production and productivity in parity with agricultural crops to meet the emerging food demand. Implementing sustainable models of crop production is really an enormous endeavor. Promising technologies and management options are needed to increase productivity to meet the growing food demand despite deteriorating production environments.

Phytochemistry of Australia's Tropical Rainforest - Medicinal Potential of Ancient Plants (Hardcover): Cheryll J. Williams Phytochemistry of Australia's Tropical Rainforest - Medicinal Potential of Ancient Plants (Hardcover)
Cheryll J. Williams
R4,110 Discovery Miles 41 100 Ships in 9 - 15 working days

Rare, unique and irreplaceable - precious native rainforests occupy a precariously small part of Australia while retaining a remarkable level of both biological and chemical diversity unrivalled by any other ecosystem. Australia's ancient history and traditions are intimately intertwined with the rainforest plants that humans have utilised as both food and medicine. Phytochemistry of Australia's Tropical Rainforest is a record of this history and details how our understanding of these plants has led to the discovery of anaesthetics, analgesics, steroids, antimalarials and more. It provides an insight into the habitat, ecology and family associations of hundreds of species and explores their future therapeutic potential, alongside phytochemical studies of the ancient plant lineages. Toxicological evaluations of important poisonous plants are also included. Rainforests provide shelter for unique flora and fauna that are counted among the rarest species on Earth, many of which are illustrated in this book. This comprehensive work is an essential reference for phytochemists, ethnobotanists and those with an interest in rainforests and their medicinal and botanical potential.

Fluorescence of Living Plant Cells for Phytomedicine Preparations (Paperback): Victoria Vladimirovna Roshchina Fluorescence of Living Plant Cells for Phytomedicine Preparations (Paperback)
Victoria Vladimirovna Roshchina
R1,413 Discovery Miles 14 130 Ships in 12 - 17 working days

Fluorescence of Living Plant Cells for Phytomedicine Preparations reveals how valuable medicinal compounds can be identified through the application of vital fluorescence in plant cells. The book explains the roles that fluorescent compounds play in plant physiology and promotes our knowledge of plant secretory cells and phytopreparations. Supported by vivid illustrations, the book reveals how actinic light - light that induces fluorescence in leaves and flowers - can be used in the identification of secretory cells within plant tissue that may be the repository of valuable medicinal compounds. The book demonstrates the potential of fluorescence in pharmacological analysis with detailed methods for applying fluorescence to identify these deposits of natural drugs. As such, this groundbreaking book contains methods of express-pharmaceutical analysis that could open new horizons in pharmacy and the cultivation of medicinal plants. Features Describes various fluorescence microscopy techniques for the localization of compounds contained in plants with pharmaceutical interest Provides an analysis of pharmaceutical material based on autofluorescence and histochemical reactions for numerous medicinal plant species Demonstrates practices for providing optimal growing conditions and improving the quality of the compounds Showing the readiness of plant raw material for pharmaceutical industry, this book will appeal to professionals in the pharmaceutical industry and students and researchers in the fields of phytochemistry, botany and pharmaceutical sciences.

Genetics, Genomics, and Breeding of Grapes (Hardcover): Anne-Francoise Adam-Blondon, Jose-Miguel Martinez-Zapater, Chittaranjan... Genetics, Genomics, and Breeding of Grapes (Hardcover)
Anne-Francoise Adam-Blondon, Jose-Miguel Martinez-Zapater, Chittaranjan Kole
R5,407 Discovery Miles 54 070 Ships in 12 - 17 working days

Grapevine is a highly valuable crop worldwide, both from cultural as well as commercial point of view. One major advantage this crop has is that it is well adapted to scarce water conditions. Grapes are also a valuable source of health-promoting compounds such as polyphenols. The main object of grapevine breeding is to develop varieties of high quality, that are resistant to pathogens and at the same time well adapted to a changing environment. Since the beginning of the XXI century, there has been a concerted effort by the international scientific community to develop genomic tools and resources for grapevine culminating in its complete genome sequence. These efforts and their usefulness for grapevine breeding or viticulture improvement are reviewed and discussed in this book by globally reputed scientists in the field.

The Commercial use of Biodiversity - Access to Genetic Resources and Benefit-Sharing (Hardcover): Kerry Ten Kate, Sarah A. Laird The Commercial use of Biodiversity - Access to Genetic Resources and Benefit-Sharing (Hardcover)
Kerry Ten Kate, Sarah A. Laird
R3,945 Discovery Miles 39 450 Ships in 12 - 17 working days

Originally published in 1999 The Commercial Use of Biodiversity examines how biodiversity and the genetic material it contains are now as valuable resources. Access to genetic resources and their commercial development involve a wide range of parties such as conservation and research institutes, local communities, government agencies and companies. Equitable partnerships are not only crucial to conservation and economic development but are also in the interests of business and often required by law. In this authoritative and comprehensive volume, the authors explain the provisions of the Convention on Biological Diversity on access and benefit-sharing, the effect of national laws to implement these, and aspects of typical contracts for the transfer of materials. They provide a unique sector-by-sector analysis of how genetic resources are used, the scientific, technological and regulatory trends and the different markets in Pharmaceuticals, Botanical Medicines, Crop Development, Horticulture, Crop Protection, Biotechnology (in fields other than healthcare and agriculture) and Personal Care and Cosmetics Products. This will be an essential sourcebook for all those in the commercial chain, from raw material collection to product discovery, development and marketing, for governments and policy-makers drafting laws on access and for all the institutions, communities and individuals involved in the conservation, use, study and commercialisation of genetic resources.

Trading the Fruits of the Land - Horticultural Marketing of the Land (Hardcover): Tjalling Dijkstra Trading the Fruits of the Land - Horticultural Marketing of the Land (Hardcover)
Tjalling Dijkstra
R3,043 Discovery Miles 30 430 Ships in 12 - 17 working days

First published in 1997, this volume contributes to the knowledge for the trade of vegetables, fruits and tubers (so-called horticultural commodities). As African policy makers try to keep pace with new developments in private food trade, they require knowledge of the structures of private trade systems and the factors that govern their long-term development. The study analyses the structure and development of horticultural marketing channels in Kenya. It is based primarily on surveys of some 500 farmers in four districts and 750 horticultural traders in 18 market places. Commercial horticultural farmers, domestic traders, export traders, agents, facilitators, marketing cooperatives and processors are all reviewed. The study devotes special attention to the efficiency of collecting wholesalers, and to the development of rural assembly markets. It develops a model which can elucidate vertical differentiation processes in the Kenyan horticultural channels. The analyses show that marketing channel theory can be of great relevance to the developing world. The proposed vertical differentiation model can aid in predicting future changes in horticultural marketing systems, in Kenya as well as in other African countries.

Irrigation Horticulture In Highland Guatemala - The Tablon System Of Panajachel (Hardcover): Kent Mathewson Irrigation Horticulture In Highland Guatemala - The Tablon System Of Panajachel (Hardcover)
Kent Mathewson
R3,907 Discovery Miles 39 070 Ships in 12 - 17 working days

New evidence that the ancient Mayas practiced intensive, often irrigated, agriculture on a massive scale has forced revision in current thinking about that civilization. Yet, little study has focused on the heirs of this agricultural tradition; in areas of highland Guatemala, Mayan farmers today carry on forms of intensive, irrigated horticulture t

Edible Alliums - Botany, Production and Uses (Hardcover): Haim D. Rabinowitch, Brian Thomas Edible Alliums - Botany, Production and Uses (Hardcover)
Haim D. Rabinowitch, Brian Thomas
R3,359 Discovery Miles 33 590 Ships in 9 - 15 working days
Tapestry Lawns - Freed from Grass and Full of Flowers (Hardcover): Lionel Smith Tapestry Lawns - Freed from Grass and Full of Flowers (Hardcover)
Lionel Smith
R4,960 Discovery Miles 49 600 Ships in 12 - 17 working days

Swathes of the human world are covered in ornamental grass lawns; they are the single most commonly encountered horticultural feature on the planet. Unfortunately, they are now often viewed as resource-draining green deserts due to the lack of plant and animal diversity, the need for frequent mowing and watering, and addition of lawn greening products to keep them looking at their best. It is a venerable horticultural feature that is essentially frozen in time, and with few alternatives to whet the appetite, the lawn has languished in its current grass-only format for decades. Until now. Tapestry lawns are a new, practically researched and timely development of the ornamental lawn format that integrates both horticultural practice and ecological science and re-determines the potential of a lawn. Mown barely a handful of times a year and with no need for fertilisers or scarifying, tapestry lawns are substantially richer in their diversity of plant and animal life compared to traditional grass-only lawns and see the return of flowers and colour to a format from which they are usually purposefully excluded. Tapestry Lawns: Freed from Grass and Full of Flowers traces the changes in the lawn format from its origins to the modern day and offers information on how and why the tapestry lawn construct is now achievable. It provides guidance on how to create and maintain a tapestry lawn of your own and champions the potential benefits for wildlife that can follow. Features Accessible and informative to all types of readers from academic to amateur Includes a refined and tested set of useful tapestry lawn plants Contains step-by-step instructions for creation and management methods of grass-free lawns Illustrated in full colour If you have ever thought about mowing your lawn much less, making it much more colourful and wildlife friendly, then this book will inform and guide you to create a perfect, grass-free lawn.

Plants and Human Conflict (Hardcover): Eran Pichersky Plants and Human Conflict (Hardcover)
Eran Pichersky
R3,907 Discovery Miles 39 070 Ships in 12 - 17 working days

Perhaps the least appreciated dramatis personae in human history are plants. Humans, like all other animals, cannot produce their own food as plants do through photosynthesis, and must therefore acquire organic material for survival and growth by eating plants or by eating other animals that eat plants. Humans depend on plants not only as a food source, but also as building and clothing materials and as sources of medicines, psychoactive substances, spices, pigments, and more. With plants being such valuable resources, it is therefore not surprising that plants have been involved in practically all violent conflicts among different human societies. Ironically, plants have also been the source of materials to construct weapons or weapon parts. Wars have always constituted a large part of human history, and the overall theme of this book is that to understand the history of violent human conflict, we need to understand what specific materials plants make that people find so useful and worth fighting over, and what roles such plant products have played in specific conflicts. To do so, Plants and Human Conflict begins with a chapter explaining the basic biological facts of the interdependence between plants and humans, and the subsequent seven chapters describe the physical and chemical properties of specific plant products demonstrating how the human need for these products has led to wars as well as contributed to the prosecution of wars. These chapters recount some well-known (and some lesser known) historical events in which plants have played a central role. This book uniquely combines the modern scientific knowledge of plants with the human history of war, introducing readers to a new paradigm that will make them reconsider their understanding of human history, as well as to bring about a greater appreciation of plant biology.

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