Legumes in Crop Rotations, 1984-1987 PDF Download
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Author: Jayne T. MacLean
Publisher:
ISBN:
Category : Legumes
Languages : en
Pages : 30
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Book Description
Author: Jayne T. MacLean
Publisher:
ISBN:
Category : Legumes
Languages : en
Pages : 30
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Book Description
Author: Jayne T. MacLean
Publisher:
ISBN:
Category : Crop rotation
Languages : en
Pages : 40
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Book Description
Author: Jayne T. MacLean
Publisher:
ISBN:
Category : Crop rotation
Languages : en
Pages : 28
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Book Description
Author: Jane Potter Gates
Publisher:
ISBN:
Category : Cover crops
Languages : en
Pages : 66
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1208
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Book Description
Author: Jerry Rafats
Publisher:
ISBN:
Category : Pleurotus ostreatus
Languages : en
Pages : 460
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Book Description
Author: Ronald F Follett
Publisher: Elsevier
ISBN: 0444599398
Category : Technology & Engineering
Languages : en
Pages : 412
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Book Description
Supplying crops with adequate nitrogen is vital to ensuring food supplies. Once nitrogen is added to the soil, it is subject to chemical transformations of the nitrogen-cycle including transformation to nitrate. Excessive amounts of accumulated nitrate may then leach out of the soil and could potentially enter and contaminate drinking water supplies. The purpose of this book is to examine the subject of nitrogen management and ground water protection.The issue of maintaining ground water quality is addressed primarily from an agronomic point of view. Topics covered include: health and economic aspects of nitrate in drinking water; nitrate sources; ground water nitrate in the USA and other developed countries; transport, leaching and accounting for nitrogen; soil, nitrogen, crop and water management; and nitrate in aquifer systems. The book contains a keyword index and is organized into thirteen chapters, each with appropriate references, tables and figures. Chapter authors are among the leading experts on the subject of nitrate and ground water quality.Readers to whom the book is directed include soil scientists and agronomists, agricultural engineers (irrigation and drainage), environmental scientists, agricultural policy makers, and hydrologists.
Author: African Association for Biological Nitrogen Fixation. Conference
Publisher: IITA
ISBN: 9780471935605
Category : Science
Languages : en
Pages : 512
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Book Description
Biological nitrogen fixation in tropical agrosystems: twenty years of biological nitrogen fixation research in Africa; Sustainable agriculture: definition and measurement; Biological nitrogen fixation systems in tropical ecosystems: an overview; A protocol for screening legumes as soil-improving crops; The sustenance of tropical agriculture with multipurpose azolla; Facteurs pedoclimatiques limitant la lixation biologique l'azole; Response of some tropical nitrogen-fixing woody legumes to drought and inoculation with mycorrhiza; Improvement to the Phaseolus/Rhizobium symbiosis, with particular reference to the Caribbean region; Effect of pest management systems on biological nitrogen fixation; Agronomic evaluation of a rock phosphate as a phosphorus source for Leucaena leucocephala grown on an utisol; Nodulation of soybean grown under field conditions and inoculated with Bradyrhizobium japonicum strains; Effect of fertilization and Rhizobium inoculation on the growth of Leucaena and Gliricidia on an alfisol in south-western Nigeria; Early growth and nodulation in Leucaena and Gliricidia and the effects or pruning on biomass productivity; Comparative stude on the growth and productivity of Sesbania and Leucaena in the Central Plateau region, Rwanda; Supernoculation and non-nodulation mutants of soybean; Genetically improved rhizobia and their use in agriculture; Sustainability of nitrogen-fixing cropping systems: Nodulation and nitrogen fixation and transfer in a cowpea/rice cropping system; The role of legumes in sustaiing soil productivity and controlling soil erosion; Fitting soil-improving legumes into inland valley rice-baes cropping systems in West Africa; Herbage yield and soil fertility restoration potential of some tropical forage legumes.
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 620
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Book Description
Author: Charles A. Francis
Publisher: John Wiley & Sons
ISBN: 9780471622277
Category : Technology & Engineering
Languages : en
Pages : 508
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Book Description
This timely work reviews the best current thinking on practicing sustainable agriculture, with contributions from agricultural, biological, environmental and social scientists. The emphasis is on temperate zones, with many of the contributions addressing U.S. agriculture. However, the principles explored here have application in any climatic or geographical region. The book discusses stewardship, biodiversity, reliance on mixed food systems and other approaches, always with a view toward reducing environmental degradation, maintaining economic viability and stabilizing rural communities.
