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Books > Earth & environment > Earth sciences > Geology & the lithosphere > Soil science, sedimentology
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Nitrogen Economy of Flooded Rice Soils - Proceedings of a symposium on the Nitrogen Economy of Flooded Rice Soils, Washington DC, 1983 (Paperback, Softcover reprint of the original 1st ed. 1986)
Loot Price: R1,510
Discovery Miles 15 100
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Nitrogen Economy of Flooded Rice Soils - Proceedings of a symposium on the Nitrogen Economy of Flooded Rice Soils, Washington DC, 1983 (Paperback, Softcover reprint of the original 1st ed. 1986)
Series: Developments in Plant and Soil Sciences, 26
Expected to ship within 10 - 15 working days
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The steadily increasing cost of nitrogen fertilizer has resulted in
more emphasis on basic and applied studies to improve nitrogen use
efficiency in lowland rice. The efficiency of fertilizer nitrogen
in farmers' fields is shockingly low ~ a luxury resource-scarce
farmers in tropical Asia can ill afford. We believe it is critical
to quantify the basic transformation processes and develop
management practices for higher N use efficiency for two reasons.
They are: 1. Nitrogen fertilizer together with water management is
a key factor for achieving the yield potentials of modern rices. 2.
Fertilizer nitrogen prices are high and most Asian rice farmers are
poor. The International Rice Research Institute (IRRI),
Philippines; Internation al Fertilizer Development Center (IFDC),
USA; Commonwealth Scientific and Industrial Research Organization
(CSIRO), Australia; U.S. Universities (Louisiana, Cornell,
California, Arkansas and others); and Dr Justus Leibig University
in West Germany are actively engaged in individual or collaborative
research that addresses basic transformation processes on N gains
and losses and management practices to maximize N use efficiency in
rice. It is appropriate to update and summarize, in a double issue
of Fertilizer Research, the 10 papers presented at the special
symposium organized by the American Society of Agronomy (ASA) at
the 75th Annual Meeting in Washington, D.C. in 1983. S.K. De Datta,
Head of Agronomy Department, IRRI, was chairman of the
International Agronomy Division of ASA (A-6) in 1982 and 1983.
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