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农业生产中的土壤氮素问题可以分为:(1)保持和提高土壤氮素的潜在肥力,和(2)调节当季作物的土壤氮素营养状况等两方面,它们的共同理论基础之一是土壤中氮素的转化规律。长期以来,土壤中氮素的转化问题是土壤、农业化学工作
The problem of soil nitrogen in agricultural production can be divided into: (1) one of the common theoretical bases for maintaining and improving the potential fertility of soil nitrogen; and (2) regulating the status of soil nitrogen nutrition of the crop in the current season Is the transformation of nitrogen in soil. For a long time, the problem of nitrogen transformation in soil was soil and agrochemical work