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Effect Of Azolla On Irrigated Rice In Brazil
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Book Synopsis Effect of Azolla on Irrigated Rice in Brazil by : Karl Georg Gutbrod
Download or read book Effect of Azolla on Irrigated Rice in Brazil written by Karl Georg Gutbrod and published by . This book was released on 1987 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Azolla green manure effect on paddy rice was compared to N fertilization with urea in 4 cultivation systems at two sites in Brazil, during the seasons 1983/84 and 1984/85. Fertilizer nitrogen equivalence was calculated by plotting parameter values obtained in Azolla treatments on the response regressions to N fertilization.
Book Synopsis Biological Nitrogen Fixation Associated with Rice Production by : Azit Kumar Podder
Download or read book Biological Nitrogen Fixation Associated with Rice Production written by Azit Kumar Podder and published by Springer Science & Business Media. This book was released on 1996-11-30 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Studies on the Utilization of Azolla-anabaena Symbiosis by Flooded Rice by : Chanan Singh Johal
Download or read book Studies on the Utilization of Azolla-anabaena Symbiosis by Flooded Rice written by Chanan Singh Johal and published by . This book was released on 1986 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Practical Application of Azolla for Rice Production by : W.S. Silver
Download or read book Practical Application of Azolla for Rice Production written by W.S. Silver and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of rice has increased considerably in recent years due to the release of improved varieties and the adoption of better fertilization practices. Nevertheless, the production and use of inorganic N fertilizer involves costly investments in terms of energy and transport, the need for complex manufacturing plants, as well as the potential for environmental pollution. The use of agricultural systems that include dinitrogen fixing organisms appears to be an economically sound cultural practice. In the particular case of rice, biological nitrogen fixation by Azolla, blue-green algae (BGA), and heterotrophic microorganisms has long been recognized, in southeast Asia, as a fertilizer for rice culture. The Azolla-Anabaena association has the unique property of being able to retain a significant amount of nitrogenase activity in the presence of combined nitrogen, making the system compatible with inorganic nitrogen fertilization. Researchers working with Azolla (N fixation) are dispersed in 2 countries of southeast Asia, Africa, Europe and Latin America, making it difficult to share ideas, concepts and research results on a more personal basis. Considering the potential positive impact of growing rice in association with Azolla, and the lack, to date, of an international gathering of scientists dedicated to Azolla research, the First International Workshop on "Practical Applications of Azolla for Rice Production" was organized by the University of Puerto Rico-Mayaguez Campus.
Book Synopsis Double Cropping and Interplanting, June 1986-August 1988 by : Jayne T. MacLean
Download or read book Double Cropping and Interplanting, June 1986-August 1988 written by Jayne T. MacLean and published by . This book was released on 1989 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Double Cropping and Interplanting, January 1987 - May 1989 by : Jayne T. MacLean
Download or read book Double Cropping and Interplanting, January 1987 - May 1989 written by Jayne T. MacLean and published by . This book was released on 1989 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Azolla on Nitrogen Use Efficiency in Rice-wheat Rotations of Nepal by : Junoo Kamal Tuladhar
Download or read book The Effect of Azolla on Nitrogen Use Efficiency in Rice-wheat Rotations of Nepal written by Junoo Kamal Tuladhar and published by Cuvillier Verlag. This book was released on 2004 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The low productivity of the rice-wheat cropping system in Nepal is associated with a low efficiency of applied mineral N in rice. The aquatic fern Azolla was used to reduce N losses via ammonia volatilization from the flooded lowland rice in farmers' field conditions in Nepal. The Azolla cover changed the floodwater chemistry, thus reducing ammonia volatilization losses. The use of Azolla in combination with Urea increased rice yields by 15% and reduced urea-N losses from 17-38% to 2-8%. A combined use of Azolla and urea is a viable option to enhance the productivity of rice-wheat systems in Nepal.
Book Synopsis Bibliography of Agriculture with Subject Index by :
Download or read book Bibliography of Agriculture with Subject Index written by and published by . This book was released on 1987-10 with total page 1238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Report on Rice Crop and Azolla Research in Brazil by : M. de F. FIORI
Download or read book A Report on Rice Crop and Azolla Research in Brazil written by M. de F. FIORI and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quick Bibliography Series by : National Agricultural Library (U.S.). Reference Division
Download or read book Quick Bibliography Series written by National Agricultural Library (U.S.). Reference Division and published by . This book was released on 1989 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Quick Bibliography Series written by and published by . This book was released on 1976 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interdisziplinary Research on Animal Production in the Sahel by : Horst S. H. Seifert
Download or read book Interdisziplinary Research on Animal Production in the Sahel written by Horst S. H. Seifert and published by . This book was released on 1994 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Agroforestry and Ecofarming Practices for Soil Conservation in Kigoma, Tanzania by : Donald Batholomew Fungameza
Download or read book Agroforestry and Ecofarming Practices for Soil Conservation in Kigoma, Tanzania written by Donald Batholomew Fungameza and published by . This book was released on 1991 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Practical Application of Azolla for Rice Production by : W. S. Silver
Download or read book Practical Application of Azolla for Rice Production written by W. S. Silver and published by . This book was released on 2014-01-15 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Rice Research Notes Vol 12 No 4 by :
Download or read book International Rice Research Notes Vol 12 No 4 written by and published by Int. Rice Res. Inst.. This book was released on with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agrindex written by and published by . This book was released on 1988 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mundus written by and published by . This book was released on 1990 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
