Titlebook: Nitrogen Economy of Flooded Rice Soils; Proceedings of a sym S. K. Datta (Head),W. H. Patrick (Boyd Professor) Conference proceedings 1986

Callow

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CAGE

Etymology

iency 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

Figate

Denitrification losses in flooded rice fields, and ecological significance of these processes in the gain or loss of N from a flooded soil and sediment system has been studied by several researchers. The objective of this paper is to review recent research findings on the significance of nitrification-denitrification in flooded rice soils.

冷淡一切

Maximize

New developments in nitrogen fertilizers for rice, in a variety of settings from the laboratory to the farmer’s field. Novel N fertilizers currently at various stages of testing include urea supergranules for deep placement, urea coated with various materials to control the N release rate, mixtures of a urease inhibitor with urea to reduce losses, and organic N sources other than urea.

做作

Conference proceedings 1986owland 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 re

都相信我的話

The efficacy and loss of fertilizer N in lowland rice,t use of N fertilizers (particularly urea) on rice, the problems associated with rice fertilization, and recent research results that aid under-standing of problems associated with N fertilization of rice and possible avenues to increase the efficiency of N use by rice.

收到

Nitrogen transformations in flooded rice soils,on to the improved N management and overal N economy of lowland rice soils. Topics discussed include: nitrogen leaching, ammonium fixation and release, ammonia volatilization, N. fixation, mineralization-immobilization, nitrification-denitrification, dissimilatory nitrate reduction, urea hydrolysis, critical pathways for control of nitrogen loss.

Free-Radical

978-94-010-8471-0Maritus Nijhoff Publishers, Dordrecht 1986