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本文介绍了应用~(15)N示踪研究在两种土壤上增施不同氮素化肥之后,谷子对氮肥的吸收利用,为谷子合理施用氮素化肥提供了依据;同时对土壤有效氮A_N值的测定,进行了探讨。
This paper introduced the application of ~ (15) N tracer to study the absorption and utilization of nitrogen fertilizer by millet after adding different nitrogen fertilizers on the two soils, and provided the basis for the rational application of nitrogen fertilizers to millet. At the same time, the values of A_N The determination was carried out.