Application Of Nitrogen Fixing Systems In Soil Improvement And Management
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Application Of Nitrogen Fixing Systems In Soil Improvement And Management
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Author : Y. A. Hamdi
language : en
Publisher: Food & Agriculture Org.
Release Date : 1982
Application Of Nitrogen Fixing Systems In Soil Improvement And Management written by Y. A. Hamdi and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Technology & Engineering categories.
Biological nitrogen-fixation. Rhizoia-legume symbiosis. Ble-green alge. Free-livin nitrogen-fixing bacteria. Azolla. Nodulated non-leguminous plants. Some costs of biofertilizers.
Application Of Nitrogen Fixing Systems In Soil Improvement And Management
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Author : Y. A. Hamdi
language : en
Publisher: Food & Agriculture Organization of the UN (FAO)
Release Date : 1982
Application Of Nitrogen Fixing Systems In Soil Improvement And Management written by Y. A. Hamdi and has been published by Food & Agriculture Organization of the UN (FAO) this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Technology & Engineering categories.
Biological nitrogen-fixation. Rhizoia-legume symbiosis. Ble-green alge. Free-livin nitrogen-fixing bacteria. Azolla. Nodulated non-leguminous plants. Some costs of biofertilizers.
Management Of Biological Nitrogen Fixation For The Development Of More Productive And Sustainable Agricultural Systems
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Author : J.K. Ladha
language : en
Publisher: Int. Rice Res. Inst.
Release Date : 1995-09-30
Management Of Biological Nitrogen Fixation For The Development Of More Productive And Sustainable Agricultural Systems written by J.K. Ladha and has been published by Int. Rice Res. Inst. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-09-30 with Nature categories.
Reprinted from Plant and Soil, v.174, nos.1-2 (1995), this volume is devoted to discussions on the role of biological nitrogen fixation (BNF) in agricultural sustainability. Papers presented on BNF in crop forage and tree legumes are augmented with discussion of integrated farming systems involving BNF, soil and N management, and recycling of legume residues. BNF by non-legumes is discussed and attempts to transform cereals into nodulating plants are critically reviewed. Also described are advances in the development of new methodologies to understand symbiotic interactions and to assess N-2 fixation in the field; means of enhancing BNF through plant and soil management; breeding and selection; problems encountered in exploiting BNF under farmers' field conditions; and promising approaches to improve BNF exploitation. Lacks a subject index. Annotation copyright by Book News, Inc., Portland, OR
Biological Nitrogen Fixation And Sustainability Of Tropical Agriculture
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Author : African Association for Biological Nitrogen Fixation. Conference
language : en
Publisher: IITA
Release Date : 1992-10-27
Biological Nitrogen Fixation And Sustainability Of Tropical Agriculture written by African Association for Biological Nitrogen Fixation. Conference and has been published by IITA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-10-27 with Science categories.
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.
Biological Nitrogen Fixation In Farming Systems Of The Tropics
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Author : A. Ayanaba
language : en
Publisher: John Wiley & Sons
Release Date : 1977
Biological Nitrogen Fixation In Farming Systems Of The Tropics written by A. Ayanaba and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Technology & Engineering categories.
The symposium's objectives included an appraisal of the most recent studies relating to microbiological nitrogen fixation in tropical soils, consideration of aways and means of improving management of soils and crops in tropical farming systems to increase biological nitrogen fixation, of exploring ways of concurrently improving both legumes and other hosts and their symbionts to enhance nitrogen fixation, and of recommending the research needed and means of collaborating in the research effort.
Technical Handbook On Symbiotic Nitrogen Fixation
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 1993
Technical Handbook On Symbiotic Nitrogen Fixation written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Technology & Engineering categories.
General information on the symbiotic nitrogen fixation. Isolation, identification and counting of rhizobia. Production of an inoculant and inoculation of legumes. Experiments.
Nitrogen Fixation In Tropical Cropping Systems
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Author : Ken E. Giller
language : en
Publisher: CABI
Release Date : 2001-01-01
Nitrogen Fixation In Tropical Cropping Systems written by Ken E. Giller and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-01-01 with Science categories.
The second edition of this book, first published in 1991 and intended for students and researchers, contains revised and updated material on the theory and practice of nitrogen fixation in tropical cropping systems. There are 15 chapters in 3 parts. Part I, Introduction, contains 5 chapters on tropical environments (climate, soils and cropping systems), nitrogen fixing organisms, the process of nitrogen fixation, assessment of the role of nitrogen fixation, and cycling of nitrogen in tropical cropping systems. Part II, Tropical crops and cropping systems, comprises 7 chapters on freeliving, root-associated and endophytic nitrogen fixing bacteria of cereal crops and grasses, cyanobacteria and Azolla as green manure for wetland rice, grain legumes, legumes as green manures and cover crops, forage legumes, understorey legumes and shade trees in plantation crops, and nitrogen fixing trees in agroforestry. Part III, optimizing nitrogen fixation, includes 3 chapters on environmental constraints, approaches to enhancement, and future impacts on nitrogen fixation in tropical agriculture. A list of common names and subject index are included.
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.
Nitrogen Management In Crop Production
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Author : Nand Kumar Fageria
language : en
Publisher: CRC Press
Release Date : 2014-06-25
Nitrogen Management In Crop Production written by Nand Kumar Fageria and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-25 with Science categories.
One of the main approaches for safeguarding food security, sustainable development has increased demand for knowledge on fertilizer management in crop production. Among essential plant nutrients, nitrogen is one of the most important yield-limiting nutrients, mainly responsible for determining yield and yield components in cereals and legumes. It is also responsible for the activation of many enzymes and, of course, plays an important role in photosynthesis. With a recovery efficiency of less than 50 percent in most cropping systems, a large portion of the nitrogen applied as fertilizer is not used by plants, creating environmental and economic issues. Nitrogen Management in Crop Production covers the critical aspects for the judicious use of nitrogen in cropping systems. This includes appropriate methods of nitrogen application, effective source and timing of application during crop growth cycles, use of an adequate application rate to avoid loss and reduce cost, use of nitrogen-efficient crop genotypes, and use of legumes that fix sufficient amounts of atmospheric nitrogen. There is also a chapter on organic matter and its role in sustainability. This book presents recent information from the international literature, making it relevant for most agroecological regions. Chapters provide experimental results to aid in practical application of the information. The book contains color photos of nitrogen deficiency symptoms to serve as a guide for important crop species, such as rice, dry bean, wheat, soybean, and corn. It also includes numerous tables and figures, providing an easy-to-read reference.
Crop Ecology
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Author : R. S. Loomis
language : en
Publisher: Cambridge University Press
Release Date : 1992-10-08
Crop Ecology written by R. S. Loomis 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 1992-10-08 with Nature categories.
This book is centred on the 'production processes' of crops and pastures - photosynthesis and use of water and nutrients in fields. The book is unique in its combination of great breadth and depth in its treatment of production processes and systems problems. The approach is explanatory and integrative, with a firm basis in environmental physics, soils, physiology, and morphology, in contrast to descriptive or reductionist approaches. Systems concepts are introduced early and expanded as the book proceeds, giving emphasis to quantitative approaches, to management strategies and tactics employed by farmers, and to environmental issues. The systems approach is brought together in the final chapters where production and nutrient cycling are analyzed, for example farms and problems in an uncertain future are considered. The book is based on courses taught by the authors in Australia and the United States and is designed for use as a text for an introductory course in crop ecology (advanced undergraduates and beginning post-graduate level). It is more than a text, however. Given the wide range of subjects, the authors have integrated reference and background material to create a 'stand-alone' reference work useful to a wide audience of agriculturalists.