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It is one of the effective ways to reduce the amount of nitrogen fertilizer by using rice varieties with adaptation to low nitrogen environment or high efficient utilization of soil nitrogen. Red soil agro-ecosystem of South China is an important production base of double-cropped paddy rice. However, the rice yield and N use rate in this area have been at a low level especially for early rice, due...
Research the nitrogen cycling in agricultural ecosystem and quantitative analysis of the sources and destinations of nitrogen are important for the reasonable application of nitrogen fertilizer and promotion of the agricultural sustainability. The trial was aimed to monitor and assess nitrogen cycling and balance in maize monoculture agro-ecosystem in northeast China black soil. Ammonia volatilization,...
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