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Tree Crop Ecosystems
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Book Synopsis Tree Crop Ecosystems by : F. T. Last
Download or read book Tree Crop Ecosystems written by F. T. Last and published by Elsevier Science & Technology. This book was released on 2001 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hardbound. Tree Crop Ecosystems is a unique new resource which combines the interests of traditional foresters and horticulturalists. Sixteen chapters written by international experts in the field emphasise the current topical issues besetting each of the crops considered. In the past the management of tree crops was focussed on yield without an adequate understanding of crop behaviour. Recent decades have seen many major advances in knowledge, notably those related tree biology and biodiversity within species and between different crops. Throughout the volume the issue of biodiversity is discussed as a key factor in relation to: the conservation of natural resources at risk; within species variation; and the flora and fauna associated with tree crops. Tree Crop Ecosystems is unique in taking an holistic approach to the crops, their origins and within-species variation. Direct and indirect influences of the crops on their ecosystem a
Book Synopsis Tree Crops by : Joseph Russell Smith
Download or read book Tree Crops written by Joseph Russell Smith and published by Island Press. This book was released on 1950 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive survey of the potentialities of nut trees as producers of food and as conservers of soil.
Book Synopsis Economics and Ecology of Diversification by : François Ruf
Download or read book Economics and Ecology of Diversification written by François Ruf and published by Springer. This book was released on 2015-09-23 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: The monoculture systems that have been encouraged by governments since the 1960s have led to major socio-economic and environmental crises. Now the diversification of tree crop systems is advancing throughout the tropics. Why and when does diversification take place? What categories of farmers diversify? What obstacles do they have to overcome, and how do public and private policies interfere in this process? How do land use systems and landscapes evolve as a result of this diversification? According to the authors of this volume, diversification is certainly a response to market risks, but also to the depletion of environmental resources. Ecological changes such as declining soil fertility and increasing pressure from pests, diseases and weeds intensify at the end of monoculture cycles, driving crop change and diversification of farming systems. Through 15 case studies from Africa, Latin America, Asia and the Pacific, the authors provide us with in-depth insights into the economy and ecology of family agriculture and its recent developments.
Book Synopsis Economics and Ecology of Diversification by : François Ruf
Download or read book Economics and Ecology of Diversification written by François Ruf and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The monoculture systems that have been encouraged by governments since the 1960s have led to major socio-economic and environmental crises. Now the diversification of tree crop systems is advancing throughout the tropics. Why and when does diversification take place? What categories of farmers diversify? What obstacles do they have to overcome, and how do public and private policies interfere in this process? How do land use systems and landscapes evolve as a result of this diversification? According to the authors of this volume, diversification is certainly a response to market risks, but also to the depletion of environmental resources. Ecological changes such as declining soil fertility and increasing pressure from pests, diseases and weeds intensify at the end of monoculture cycles, driving crop change and diversification of farming systems. Meanwhile, diversification is encouraged by governments but increasingly also by the private sector that offers free seedlings, credit, technical assistance and market outlets to farmers to encourage the adoption of certain crops in a context of increasing competition for land resources. Social changes such as the return of young people to the villages, investments of urban middle classes in plantation agriculture, aging of the rural work force and increasing population pressure also play a role in this process. Through 15 case studies from Africa, Latin America, Asia and the Pacific, the authors provide us with in-depth insights into the economy and ecology of family agriculture and its recent developments. The book targets professionals of the tropical tree crop sector, students and scientists working on economic and ecological questions of tropical land use, and anyone interested in sustainable rural development. While the case studies are from tropical contexts, the methodological approaches and discussions are also relevant to temperate agriculture.
Book Synopsis Tree-Crop Interactions, 2nd Edition by : Chin K Ong
Download or read book Tree-Crop Interactions, 2nd Edition written by Chin K Ong and published by CABI. This book was released on 2015-10-28 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition provides an update on the considerable amount of evidence on tree-crop interactions which has accumulated during the last two decades, especially on the more complex multi-strata agroforestry systems, which are typical of the humid tropics. In addition three new chapters have been added to describe the new advances in the relationship between climate change adaptation, rural development and how trees and agroforestry will contribute to a likely reduction in vulnerability to climate change in developing countries
Book Synopsis Below-Ground Interactions in Ecological Processes by : Oren Shelef
Download or read book Below-Ground Interactions in Ecological Processes written by Oren Shelef and published by Frontiers Media SA. This book was released on 2020-01-29 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aboveground interactions between plants and organisms have served as a foundation of ecological and evolutionary theories. Accumulating evidence suggests that interactions that occur belowground can have immense influence on eco-evolutionary dynamics of plants. Despite the increasing awareness among scientists of the importance of belowground interactions for plant performance and community dynamics, they have received considerably less theoretical and empirical attention compared to aboveground interactions. In this eBook we aim to highlight the overlooked roles of belowground interactions and outline their myriad ecological roles, from affecting soil health through impacting plant interactions with above-ground fauna. This eBook with 18 articles and an Editorial includes conceptual contribution together with original research work. The chapters are exploring the roles of belowground biotic interactions, in the context of ecological processes both below- and above-ground.
Book Synopsis Woody Plants and Forest Ecosystems in a Complex World – Ecological Interactions and Physiological Functioning Above and Below Ground by : Boris Rewald
Download or read book Woody Plants and Forest Ecosystems in a Complex World – Ecological Interactions and Physiological Functioning Above and Below Ground written by Boris Rewald and published by Frontiers Media SA. This book was released on 2020-04-01 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biodiversity and Conservation of Woody Plants by : M. R. Ahuja
Download or read book Biodiversity and Conservation of Woody Plants written by M. R. Ahuja and published by Springer. This book was released on 2017-11-21 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides complete, comprehensive, and broad subject-based reviews for students, teachers, researchers, policymakers, conservationists, and NGOs interested in the biodiversity and conservation of woody plants. Forests cover approximately 31 percent of the world’s total landmass; 93 percent is natural forest and only 7 percent consists of planted trees. Forest decline is progressing at an alarming rate worldwide. In addition to human activities (logging, deforestation, and exploiting forest lands for agriculture and industrial use), a number of other factors – including pests and diseases, drought, soil acidity, radiation, and ozone – are cumulatively contributing to global forest decline. The present situation forces us to focus on forest conservation strategies for the present and future. Gene conservation and maintaining genetic diversity in forest ecosystems are crucial to the preservation of forest genetic resources. This calls for integrated action to implement both the in situ (on site) preservation of forest stands and ex situ (distant from the original site) strategies for the conservation of woody plants’ genetic resources. Selected priority areas include: 1) assessing patterns of genetic diversity and threats, 2) understanding the biological processes regulating genetic diversity, 3) assessing the impact of human activities and climate change on genetic diversity, and 5) finding methods for prioritizing species and populations for the conservation of forest trees genetic resources. All chapters were written by leading scientists in their respective fields, which include: woody plant diversity, ecology and evolution; assessment of genetic diversity in forest tree populations; conservation planning under climate change; and in situ and ex situ strategies, including biotechnological approaches, for the conservation of woody plants genetic resources.
Book Synopsis Ecological Basis of Agroforestry by : Daizy Rani Batish
Download or read book Ecological Basis of Agroforestry written by Daizy Rani Batish and published by CRC Press. This book was released on 2007-11-15 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Faced with the growing problems of climate change, ecosystem degradation, declining agricultural productivity, and uncertain food security, modern agricultural scientists look for potential relief in an ancient practice. Agroforestry, if properly designed, can mitigate greenhouse effects, maintain ecosystem health and biodiversity, provide food sec
Book Synopsis Attributes of Trees as Crop Plants by : Melvin G. R. Cannell
Download or read book Attributes of Trees as Crop Plants written by Melvin G. R. Cannell and published by . This book was released on 1985 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Domestication. Perspectives on the evolutionary history of tree crops. The basis of selection, management and evaluation of multipurpose trees - an overview. Forest tree breeding and fruit tree breeding: strategies, achievements and constraints. Strategies for optimizing the yield of tree crops in suboptimal environments. Tree growth at cool temperaturea and prospects for improvement by breeding. The ideotype concept applied to forest trees. Definition and exploitation of forest tree ideotypes in Finland. The capacity for vegetative propagation in trees. The vegetative structure. Biometrical, structural and physiological relationships among tree parts. Dry matter partitioning in tree crops. Forest productivity in relation to carbon partitioning and nutrient cycling: a mathematical model. Prospects for manipulating vascular-cambium productivity and xylem-cell differentiation. Branching, crown structure and the control of timber production. Trees as producers of exudates and extractives. Trees as producers of fuel. Trees as fodder crops. Roots, symbionts and soils. Roots as a component of tree productivity. Improving tree crops using micro-organisms in designed systems. Trees as soil improvers in the humid tropics?. Exploiting tree crop-symbiont specificity. Flowering and fruiting. Promotion of flowering in the crops: different mechanisms and techniques, with special reference to conifers. Variability in flower initiation in forest trees. Reproduction behaviour of fruit tree crops and its implications for the manipulation of fruit set. Some attributes of nut-bearing trees of temperate forest origin. Trees in stands. Future fruit orchard design: economics and biology. Transpiration and assimilation of tree and agricultural crops: the 'omega factor'. The competition process in forest stands. Forest canopy design: biological models and management implications. Future forest design: economic aspects. Wood properties, and future requirements for wood products.
Book Synopsis Agro-ecological Farming Systems in China by : Wenhua Li
Download or read book Agro-ecological Farming Systems in China written by Wenhua Li and published by Taylor & Francis. This book was released on 2001 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concepts, principles, history, classification, structure and function analysis of various models in the same production sector and in different sectors, at different scales, in mountain and dryland ecosystems. The book is aimed primarily at young post-graduate scientists in the disciplines or at agronomy, forestry, animal husbandry, land use management and ecology experts.
Book Synopsis Allelopathy in Ecological Agriculture and Forestry by : S.S. Narwal
Download or read book Allelopathy in Ecological Agriculture and Forestry written by S.S. Narwal and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rapidly growing human population has increased the dependence on fossil fuel based agrochemicals such as fertilizers and pesticides to produce the required agricultural and forestry products. This has exerted a great pressure on the non renewable fossil fuel resources, which cannot last indefinitely. Besides, indiscriminate use ofpesticides for pests (weeds, insects, nematodes, pathogens) control has resulted in serious ecological and environmental problems viz. , (A) Increasing incidence of resistance in pest organisms to important pesticides. (B) Shift in pests population, particulary in weeds and insects. In weeds, species that are more closely related to the crops they infest have developed. In insects, scenario is most grim, the predators have been killed and minor insect pests have become major pests and require very heavy doses ofhighly toxic insecticides for their control. (C) Greater environmental pollution and health hazards (a) particularly from contamination of surface and underground drinking water resources and (b) from their inhalation during handling and application. (D) Toxic residues of pesticides pollute the environment and may prove hazardous to even our future generations. (E) Some agricultural commodities may contain minute quantities ofpesticides residues, with long tenn adverse effects on human and livestock health. Therefore, serious ecological questions about the reliance on pesticides for pests control has been raised. The use of fertilizers, besides causing environmental problems has also impoverished the soil health and decreased the beneficial soil fauna. For example, in some major crop rotations viz.
Book Synopsis Ecological Intensification of Natural Resources for Sustainable Agriculture by : Manoj Kumar Jhariya
Download or read book Ecological Intensification of Natural Resources for Sustainable Agriculture written by Manoj Kumar Jhariya and published by Springer Nature. This book was released on 2021-03-07 with total page 655 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecological intensification involves using natural resources such as land, water, soil nutrients, and other biotic and abiotic variables in a sustainable way to achieve high performance and efficiency in agricultural yield with minimal damage to the agroecosystems. With increasing food demand there is high pressure on agricultural systems. The concept of ecological intensification presents the mechanisms of ensuring high agricultural productivity by restoration the soil health and landscape ecosystem services. The approach involves the replacement of anthropogenic inputs with eco-friendly and sustainable alternates. Effective ecological intensification requires an understanding of ecosystems services, ecosystem's components, and flow of resources in the agroecosystems. Also, awareness of land use patterns, socio-economic factors, and needs of the farmer community plays a crucial role. It is therefore essential to understand the interaction of ecosystem constituents within the extensive agricultural landscape. The editors critically examined the status of ecological stress in agroecosystems and address the issue of ecological intensification for natural resources management. Drawing upon research and examples from around the world, the book is offering an up-to-date account, and insight into the approaches that can be put in practice for poly-cropping systems and landscape-scale management to increase the stability of agricultural production systems to achieve ‘Ecological resilience’. It further discusses the role of farmer communities and the importance of their awareness about the issues. This book will be of interest to teachers, researchers, climate change scientists, capacity builders, and policymakers. Also, the book serves as additional reading material for undergraduate and graduate students of agriculture, forestry, ecology, agronomy, soil science, and environmental sciences. National and international agricultural scientists, policymakers will also find this to be a useful read for green future.
Book Synopsis Woody Plants in Agro-Ecosystems of Semi-Arid Regions by : Henk Breman
Download or read book Woody Plants in Agro-Ecosystems of Semi-Arid Regions written by Henk Breman and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a quantitative analysis of the role of woody plants in semi-arid regions, for the aSSessment of their benefits in agrosylvopastoralland-use systems with productive and sus tainability objectives. The insights presented and conclusions drawn allow the additional benefits of woody plants for specific climatic and physical site conditions and land-use systems to be estimated. The Sahel and Sudan zones in West Africa, on which the book focusses, represent resource-poor conditions, whose ecological dynamics have been relatively well studied. The role of woody plants in this region, as assessed in this book, is extrapolated to other semi-arid regions, leading to general conclusions on agroforestry's potential as an option for sustainable land use in semi-arid regions. The origins of this book go back to 1982, when the Club du Sahel requested that available data on woody plants in the Sahel region be synthesised, to provide basic information to enable better attention to be given to woody plants in rural development programmes. We are grateful to the Club du Sahel for this challenge. Various people contributed to studies used in this book. The preliminary inventory of the data available was made by Frits Ohler; later his work was continued by Franciska Dekker.
Book Synopsis Trees, Crops, and Soil Fertility by : G. Schroth
Download or read book Trees, Crops, and Soil Fertility written by G. Schroth and published by CABI. This book was released on 2003-02-19 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation. Successful agroforestry requires an understanding of the complex relationship between trees, crops and soils. This book provides a review of both economic and biophysical aspects of soil use and research in agroforestry, with an emphasis on nutrient-poor forest and savanna soils. Key topics covered include the economics of soil fertility management, cycling of water, nutrients and organic matter, soil structure, and soil biological processes. The book combines synthetic overviews of research results and a review of methods used in research.From the foreword: 2The book is written within a particular context - soil fertility development under agroforestry. At first this may seem very specific and thus limited in appeal and application. But over the last decade or so agroforestry research has been one of the most influential in developing new insights into soil biology and fertility and thus provides a very suitable framework for review of progress. Furthermore the influence of trees on soil is profound and of significance beyond agroforestry systems, so the book is likely to be of interest in the wider spheres of agriculture, forestry and ecological sciences.3 Mike Swift, TSBF, Nairobi, Kenya.
Book Synopsis Basic Technics in Ecological Farming / Techniques de Base en Agriculture Biologique / Grundsätzliche Verfahren der ökologischen Landwirtschaft / Le Maintien de la Fertilité des Sols / The Maintenance of Soil Fertility / Die Erhaltung der Bodenfruchtbarkeit by : Stuart Hill
Download or read book Basic Technics in Ecological Farming / Techniques de Base en Agriculture Biologique / Grundsätzliche Verfahren der ökologischen Landwirtschaft / Le Maintien de la Fertilité des Sols / The Maintenance of Soil Fertility / Die Erhaltung der Bodenfruchtbarkeit written by Stuart Hill and published by Birkhäuser. This book was released on 2013-12-14 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Improvement of Livestock Production in Crop-animal Systems in Rainfed Agro-ecological Zones of South-East Asia by : C. Devendra
Download or read book Improvement of Livestock Production in Crop-animal Systems in Rainfed Agro-ecological Zones of South-East Asia written by C. Devendra and published by ILRI (aka ILCA and ILRAD). This book was released on 1997-01-01 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
