Seasonal Dynamics Of Nitrate Leaching And Active Soil Organic Nitrogen Under Maize And Wheat
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Seasonal Dynamics Of Nitrate Leaching And Active Soil Organic Nitrogen Under Maize And Wheat
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Author : Thomas William Bruulsema
language : en
Publisher: Ann Arbor, Mich. : University Microfilms International
Release Date : 1994
Seasonal Dynamics Of Nitrate Leaching And Active Soil Organic Nitrogen Under Maize And Wheat written by Thomas William Bruulsema and has been published by Ann Arbor, Mich. : University Microfilms International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 1994
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Dissertations, Academic categories.
Seasonal Dynamics Of Soil Nitrogen And Light Fraction Soil Organic Matter In A Cornfield Pine Stand And Maple Stand
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Author : Richard Dare Boone
language : en
Publisher:
Release Date : 1989
Seasonal Dynamics Of Soil Nitrogen And Light Fraction Soil Organic Matter In A Cornfield Pine Stand And Maple Stand written by Richard Dare Boone and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Humus categories.
Soil Organic Matter In Sustainable Agriculture
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Author : Fred Magdoff
language : en
Publisher: CRC Press
Release Date : 2004-05-27
Soil Organic Matter In Sustainable Agriculture written by Fred Magdoff and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-05-27 with Technology & Engineering categories.
Recognition of the importance of soil organic matter (SOM) in soil health and quality is a major part of fostering a holistic, preventive approach to agricultural management. Students in agronomy, horticulture, and soil science need a textbook that emphasizes strategies for using SOM management in the prevention of chemical, biological, and physical problems. Soil Organic Matter in Sustainable Agriculture gathers key scientific reviews concerning issues that are critical for successful SOM management. This textbook contains evaluations of the types of organic soil constituents—organisms, fresh residues, and well-decomposed substances. It explores the beneficial effects of organic matter on soil and the various practices that enhance SOM. Chapters include an examination of the results of crop management practices on soil organisms, organic matter gains and losses, the significance of various SOM fractions, and the contributions of fungi and earthworms to soil quality and crop growth. Emphasizing the prevention of imbalances that lead to soil and crop problems, the text also explores the development of soils suppressive to plant diseases and pests, and relates SOM management to the supply of nutrients to crops. This book provides the essential scientific background and poses the challenging questions that students need to better understand SOM and develop improved soil and crop management systems.
Properties And Management Of Soils In The Tropics
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Author : Pedro A. Sanchez
language : en
Publisher: Cambridge University Press
Release Date : 2019-01-10
Properties And Management Of Soils In The Tropics written by Pedro A. Sanchez and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-10 with Business & Economics categories.
Long-awaited second edition of classic textbook, brought completely up to date, for courses on tropical soils, and reference for scientists and professionals.
Understanding Options For Agricultural Production
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Author : G.Y. Tsuji
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-14
Understanding Options For Agricultural Production written by G.Y. Tsuji and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-14 with Science categories.
The first premise of this book is that farmers need access to options for improving their situation. In agricultural terms, these options might be manage ment alternatives or different crops to grow, that can stabilize or increase household income, that reduce soil degradation and dependence on off-farm inputs, or that exploit local market opportunities. Farmers need a facilitating environment, in which affordable credit is available if needed, in which policies are conducive to judicious management of natural resources, and in which costs and prices of production are stable. Another key ingredient of this facilitating environment is information: an understanding of which options are viable, how these operate at the farm level, and what their impact may be on the things that farmers perceive as being important. The second premise is that systems analysis and simulation have an impor tant role to play in fostering this understanding of options, traditional field experimentation being time-consuming and costly. This book summarizes the activities of the International Benchmark Sites Network for Agrotechnology Transfer (IBSNAT) project, an international initiative funded by the United States Agency for International Development (USAID). IBSNAT was an attempt to demonstrate the effectiveness of understanding options through systems analysis and simulation for the ultimate benefit of farm households in the tropics and subtropics. The idea for the book was first suggested at one of the last IBSNAT group meetings held at the University of Hawaii in 1993.
Agronomy Abstracts
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Author :
language : en
Publisher:
Release Date : 1995
Agronomy Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Agriculture categories.
Includes abstracts of the annual meetings of the American Society of Agronomy; Soil Science Society of America; Crop Science Society of America ( - of its Agronomic Education Division).
Manure Management For Water Quality
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Author : Marc Ribaudo
language : en
Publisher: DIANE Publishing
Release Date : 2007-10
Manure Management For Water Quality written by Marc Ribaudo and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-10 with Technology & Engineering categories.
Nutrients from livestock & poultry manure are key sources of water pollution. Ever-growing numbers of animals per farm & per acre have increased the risk of water pollution. New Clean Water Act regulations compel the large confined animal producers to meet nutrient application standards when applying manure to the land, & USDA encourages all animal feeding operations to do the same. The additional costs for managing manure (such as hauling manure off the farm) have implications for feedgrain producers & consumers as well. This report¿s farm level analysis examines onfarm technical choice & producer costs across major U.S. production areas for hauling manure to the minimum amount of land needed to assimilate manure nutrients. Illustrations.
Biological Agricultural Index
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Author :
language : en
Publisher:
Release Date : 1995
Biological Agricultural Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Agriculture categories.
Green Roof Ecosystems
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Author : Richard K. Sutton
language : en
Publisher: Springer
Release Date : 2015-06-04
Green Roof Ecosystems written by Richard K. Sutton and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-04 with Science categories.
This book provides an up-to-date coverage of green (vegetated) roof research, design, and management from an ecosystem perspective. It reviews, explains, and poses questions about monitoring, substrate, living components and the abiotic, biotic and cultural aspects connecting green roofs to the fields of community, landscape and urban ecology. The work contains examples of green roof venues that demonstrate the focus, level of detail, and techniques needed to understand the structure, function, and impact of these novel ecosystems. Representing a seminal compilation of research and technical knowledge about green roof ecology and how functional attributes can be enhanced, it delves to explore the next wave of evolution in green technology and defines potential paths for technological advancement and research.