Biological Nitrogen Fixation In Farming Systems Of The Tropics
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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.
Biological Nitrogen Fixation In Farming Systems Of The Tropics
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Author : A. Ayanaba
language : en
Publisher:
Release Date : 1977
Biological Nitrogen Fixation In Farming Systems Of The Tropics written by A. Ayanaba and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.
Biological Nitrogen Fixation In Farming Systems Of The Tropics
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Author : A. Ayanaba
language : en
Publisher:
Release Date : 1970
Biological Nitrogen Fixation In Farming Systems Of The Tropics written by A. Ayanaba and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.
Symbiotic Nitrogen Fixation
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Author : Rachid Serraj
language : en
Publisher: CRC Press
Release Date : 2004
Symbiotic Nitrogen Fixation written by Rachid Serraj 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 with Technology & Engineering categories.
The International Workshop on Biological Nitrogen Fixation for Increased Crop Productivity, Enhanced Human Health and Sustained Soil Fertility was held in June 2002 at ENSAM-INRA, Montpellier, France. The main goal of the workshop was to define research strategies for a Challenge Program initiative on Biological Nitrogen Fixation, and develop a pre-proposal based on the concept note submitted and approved by the CGIAR iSC. More than 35 participants from various scientific disciplines, research institutions and from four different continents (Africa, Asia, Americas and Europe) attended the workshop. This book, based on the proceedings of the workshop, takes a holistic approach to harnessing legume BNF technologies, starting from a socioeconomic perspective, and progressing to agronomic and genetic options, and bringing together innovative aspects and participatory research strategies.
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.
Nitrogen Fixation In Tropical Cropping Systems
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Author : K. E. Giller
language : en
Publisher: CABI
Release Date : 2001
Nitrogen Fixation In Tropical Cropping Systems written by K. 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 with Science categories.
Nitrogen fixation by leguminous plants is especially important when farmers are trying to minimise fertilizer use for cost or environmental reasons. This second edition of the highly successful book, first published in 1991, contains thoroughly updated and revised material on the theory and practice of nitrogen fixation in tropical cropping systems.
Nitrogen Management In Farming Systems In Humid And Subhumid Tropics
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Author : B. T. Kang
language : en
Publisher:
Release Date : 1985
Nitrogen Management In Farming Systems In Humid And Subhumid Tropics written by B. T. Kang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Agricultural systems categories.
Limitations And Potentials For Biological Nitrogen Fixation In The Tropics
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Author : Johanna Döbereiner
language : en
Publisher:
Release Date : 1978
Limitations And Potentials For Biological Nitrogen Fixation In The Tropics written by Johanna Döbereiner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Agriculture categories.
Cerrado a region of high agricultural potential that requires nitrogen; Potential for nitrogen fixation in tropical legumes and grasses; Free-living bacteria; Nitrogen fixation by soil algae of temperate and tropical soils; Contribution of the legume-Rhizobium symbiosis to the ecosystem and food production; Plant influence in symbiotic nitrogen fixation; Plant photosynthesis; Interactions of plant photosynthesis with dinitrogen fixation and nitrate assimilation; Some aspects of the Alnus-type root nodule symbiosis; Legumes and acid soils; Micronutrient requirements of legume-Rhizobium symbiosis in the tropics; Ecology of legume-Rhizobium symbiosis; Nitrogenase systems; Relationship between hydrogen metabolism and nitrogen fixation in legumes; Ammonia assimilation in N2-Fixing systems; Genetics and regulation of nitrogen fixation; Leghaemoglobin, oxygen supply and nitrogen fixation: studies with soybean nodules; Nitrogen fixation by Rhizobium spp. in laboratory culture media; Limiting factors in grass nitrogen fixation; Physiology and biochemistry of Spirillum lipoferum; Taxonomy of the root-associated nitrogen fixing bacterium Spirillum lipoferum; Abstracts of original papers; Abstracts of posters.
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 For Sustainable Agriculture
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Author : J.K. Ladha
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Biological Nitrogen Fixation For Sustainable Agriculture written by J.K. Ladha 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 2013-03-09 with Nature categories.
Chemical fertilizers have had a significant impact on food production in the recent past, and are today an indispensable part of modern agriculture. On the other hand, the oil crisis of the 1970s and the current Middle East problems are constant reminders of the vulnerability of our fossil fuel dependent agriculture. There are vast areas of the developing world where N fertilizers are neither available nor affordable and, in most of these countries, balance of payment problems have resulted in the removal of N fertilizer subsidies. The external costs of environmental degradation and human health far exceed economic concerns. Input efficiency of N fertilizer is one of the lowest and, in turn, contributes substantially to environmental pollution. Nitrate in ground and surface waters and the threat to the stability of the ozone layer from gaseous oxides of nitrogen are major health and environmental concerns. The removal of large quantities of crop produce from the land also depletes soil of its native N reserves. Another concern is the decline in crop yields under continuous use of N fertilizers. These economic, environmental and production considerations dictate that biological alternatives which can augment, and in some cases replace, N fertilizers must be exploited. Long-term sustainability of agricultural systems must rely on the use and effective management of internal resources. The process of biological nitrogen fixation offers and economically attractive and ecologically sound means of reducing external nitrogen input and improving the quality and quantity of internal resources. In this book, we outline sustainability issues that dictate an increased use of biological nitrogen fixation and the constraints on its optimal use in agriculture.