Download Biological Nitrogen Fixation: Towards Poverty Alleviation by T. H. N. Ellis (auth.), Felix D. Dakora, Samson B. M. PDF

By T. H. N. Ellis (auth.), Felix D. Dakora, Samson B. M. Chimphango, Alex J. Valentine, Claudine Elmerich, William E. Newton (eds.)

ISBN-10: 1402082517

ISBN-13: 9781402082511

ISBN-10: 1402082525

ISBN-13: 9781402082528

This quantity covers fresh advancements in either basic and utilized examine in organic nitrogen fixation. It emphasizes the applying of organic nitrogen fixation for sustainable agriculture, which should still bring about poverty relief, environmental safety, and stable agricultural practices in general. the jobs of, and advances in, plant breeding, plant molecular biology, nodule body structure, and symbiotic and associative interactions among vegetation and microbes in maintaining agricultural productiveness and soil fertility are defined. The evolution of symbioses and nitrogen fixation also are coated during this quantity. to make sure excessive agricultural productiveness, whereas preserving the surroundings (both soil and water resources), calls for plant cultivars that still reply to precious microbes. the quantity, for this reason, describes the body structure and genomics of nitrogen-fixing micro organism including the biochemistry and molecular genetics of the nitrogenase enzyme that really fixes atmospheric nitrogen to a usable shape.

This quantity, which covers the newest information at the function of nitrogen fixation in agriculture and forestry and at the biology of either vegetation and nitrogen-fixing microbes, is meant to function an invaluable reference for college students and researchers, either within the laboratory (academic and advertisement) and within the box.

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Extra info for Biological Nitrogen Fixation: Towards Poverty Alleviation through Sustainable Agriculture: Proceedings of the 15th International Nitrogen Fixation Congress and the 12th International Conference of the African Association for Biological Nitrogen Fixation

Example text

This phenomenon, known as “nutrient mining”, results in the gradual decrease in soil fertility with time. The questions are: can the technology of zero tillage and the introduction of leguminous cover crops be adapted for resource-poor farmers in such regions? And, will it both increase food crop yields and promote a gradual increase in SOM levels? With regard to first question, the prerequisites appear to be some correction of soil fertility with modest applications of P and K fertilisers, and sufficient length of the rainy season (or a bimodal rainy season) to allow at least 90 days of legume cover crop growth prior to the main grain crop.

2006) Proc. Natl. Acad. Sci. 103, 14959–14964. Choi H-K et al. (2004) Proc. Natl. Acad. Sci. 101, 15289–15294. Devos K et al. (2002) Genome Res. 12, 1075–1079. Duc G et al. (1989) Plant Sci. 60, 215–222. Jing R et al. (2005) Genetics 171, 741–752. Kaló P et al. (2004) Mol. Genet. Genom. 272, 235–246. Gene Discovery and Marker Development in Crop Legumes 7 Kimura M (1983) The Neutral Theory of Molecular Evolution, Cambridge University Press, Cambridge. Lewis G et al. (eds) (2005) Legumes of the World.

2002) distinct from the usual rules of neutral mutations in a population (Kimura, 1983). Most legumes with large genomes are in the Vicieae. html 6 7 8 9 10 11 12 13 14 Gbp Genome size in legumes of which Vicieae Figure 2. Genome size of legumes. , 2005), suggesting that the increase in genome size within the Vicieae is largely a consequence of the accumulation of intergenic repetitive 6 T. H. N. , 2006). Models and Crops These observations suggest that model legume species should be useful for the understanding of traits and the isolation of corresponding genes in target crop species.

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Biological Nitrogen Fixation: Towards Poverty Alleviation through Sustainable Agriculture: Proceedings of the 15th International Nitrogen Fixation Congress and the 12th International Conference of the African Association for Biological Nitrogen Fixation by T. H. N. Ellis (auth.), Felix D. Dakora, Samson B. M. Chimphango, Alex J. Valentine, Claudine Elmerich, William E. Newton (eds.)


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