Use of New Water Soluble Surface Film-Forming Material to Reduce Ammonia Loss from Water SolutionEnglish Full Text

YIN BIN; SHEN RENFANG and ZHU ZHAOLIANG(LMCP, Institute of Soil Science, Academia Silica, P. O. Box 821, Nanjing 210O08 China)

Abstract: A new water soluble surfaCe film-forming material was developed and its effect on reducing ammonia volatilization from an alkaline solution was investigated in laborstory. Results showed that the new film formed by the material was not only more effective in reducing ammonia loss than any other films tested but also much cheaper. The optimum amount of addition of the new film-forming material was about 10times the theoretical amount to form a monomolecular film. Under the experimental conditions, the new film could effectively depress the ammonia volatilization for at least 6 days. The cumulative ammonia loss rates for different films were fitted to a simple logistic equation, and some important parameters such as the cumulative loss, and the maximum and average volatilization rates were calculated. The effect of different films could be, therefore, compared quantitatively, indicating the new film was most effective in depressing ammonia volatilization.

Keywords：

ammonia loss; logistic equation; surface film-forming material;

Series：
(D) Agriculture
Subject：
Fundamental Science of Agriculture; Agronomy
Classification Code：
S143.1

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Use of New Water Soluble Surface Film-Forming Material to Reduce Ammonia Loss from Water SolutionEnglish Full Text

YIN BIN; SHEN RENFANG and ZHU ZHAOLIANG(LMCP, Institute of Soil Science, Academia Silica, P. O. Box 821, Nanjing 210O08 China)

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