Biological Nitrogen Fixation Associated With Rice Production
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Biological Nitrogen Fixation Associated With Rice Production
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Author : Mustafizur Rahman
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-09
Biological Nitrogen Fixation Associated With Rice Production written by Mustafizur Rahman 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 2013-04-09 with Science categories.
Biological nitrogen fixation (BNF) has become important in rice farming systems because this process diminishes the need for expensive chemical fertilizers which have been associated with numerous health and environmental problems. The extensive exploitation of BNF would provide economic benefits to small farmers, avoiding all malign influences of chemical fertilizers. Meanwhile, advances in biotechnology have brought rice genetics to the threshold of new opportunities for increasing rice production. This volume focuses, in six different sessions, on the role of BNF in the improvement of rice production in the light of the current state of the art of BNF technology transfer and diffusion. New ideas on BNF technology in research, extension information and inoculant technology are also included, together with the socio-economic impacts of using BNF in rice farm systems.
Biological Nitrogen Fixation Associated With Rice Production
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Author : Sisir K. Dutta
language : en
Publisher:
Release Date : 1991
Biological Nitrogen Fixation Associated With Rice Production written by Sisir K. Dutta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Science categories.
Opportunities For Biological Nitrogen Fixation In Rice And Other Non Legumes
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Author : J.K. Ladha
language : en
Publisher: Int. Rice Res. Inst.
Release Date : 1997-10-31
Opportunities For Biological Nitrogen Fixation In Rice And Other Non Legumes 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 1997-10-31 with Nature categories.
Proceedings of the Second Working Group Meeting of the Frontier Project on Nitrogen Fixation in Rice held in Faisalabad, Pakistan, 13-15 October 1996
The Quest For Nitrogen Fixation In Rice
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Author : Jagdish Kumar Ladha
language : en
Publisher: Int. Rice Res. Inst.
Release Date : 2000
The Quest For Nitrogen Fixation In Rice written by Jagdish Kumar 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 2000 with Bacteria, Nitrifying categories.
This book features the latest research advances made in developing nitrogen-fixing rice.
Opportunities For Biological Nitrogen Fixation In Rice And Other Non Legumes
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Author : J.K. Ladha
language : en
Publisher: Springer
Release Date : 2013-01-14
Opportunities For Biological Nitrogen Fixation In Rice And Other Non Legumes written by J.K. Ladha and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-14 with Science categories.
During the next 30 years, farmers must produce 70% more rice than the 550 millions tons produced today to feed the increasing population. Nitrogen (N) is the nutrient that most frequently limits rice production. At current levels ofN use efficiency, we will require at least double the 10 million tons of N fertilizer that are currently used each year for rice production. Global agriculture now relies heavily on N fertilizers derived from petroleum, which, in turn, is vulnerable to political and economic fluctuations in the oil markets. N fertilizers, therefore, are expensive inputs, costing agriculture more than US$45 billion annually. Rice suffers from a mismatch of its N demand and N supplied as fertilizer, resulting in a 50-70% loss of applied N fertilizer. Two basic approaches may be used to solve this problem One is to regulate the timing ofN application based on needs of the plants, thus partly increasing the efficiency of the plants' use of applied N. The other is to increase the ability of the rice system to fix its own N. The latter approach is a long-term strategy, but it would have enormous environmental benefits while helping resource-poor farmers. Furthermore, farmers more easily adopt a genotype or variety with useful traits than they do crop and soil management practices that may be associated with additional costs.
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.
Nitrogen Fixation With Non Legumes
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Author : K.A. Malik
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Nitrogen Fixation With Non Legumes written by K.A. Malik 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 2012-12-06 with Science categories.
Diazotrophic bacteria convert atmospheric nitrogen to plant-useable form and this input of nitrogen through biological fixation is of great agronomic importance. The contributions presented in this volume relate to free-living nitrogen fixers and the diazotrophs associated with plants. Symbiotic association of Frankia with non-legumes and cyanobacterial associations are also discussed. Research topics covered in this volume include the biochemistry and genetics of diazotrophs, recent developments in improvement of plant-microbe interactions and their molecular basis, the use of molecular probes in taxonomy and ecology of diazotrophs and reports on field applications, agronomic importance and improvement in methodologies for assessing their contribution to plants. This book provides valuable information not only for researchers working in the field of biological nitrogen fixation but also for biochemistry, molecular biologists, microbiologists and agronomists.
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.
Nitrogen Fixation In Agriculture Forestry Ecology And The Environment
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Author : Dietrich Werner
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-01-20
Nitrogen Fixation In Agriculture Forestry Ecology And The Environment written by Dietrich Werner 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 2006-01-20 with Technology & Engineering categories.
Sustainability has a major part to play in the global challenge of continued development of regions, countries, and continents all around the World and biological nitrogen fixation has a key role in this process. This volume begins with chapters specifically addressing crops of major global importance, such as soybeans, rice, and sugar cane. It continues with a second important focus, agroforestry, and describes the use and promise of both legume trees with their rhizobial symbionts and other nitrogen-fixing trees with their actinorhizal colonization. An over-arching theme of all chapters is the interaction of the plants and trees with microbes and this theme allows other aspects of soil microbiology, such as interactions with arbuscular mycorrhizal fungi and the impact of soil-stress factors on biological nitrogen fixation, to be addressed. Furthermore, a link to basic science occurs through the inclusion of chapters describing the biogeochemically important nitrogen cycle and its key relationships among nitrogen fixation, nitrification, and denitrification. The volume then provides an up-to-date view of the production of microbial inocula, especially those for legume crops.
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.