The Fertilizer Control Law 肥料控制法
fertilizer absorption law 吸肥特性
The law of cassava nutrition and fertilizer utilization rate by the cassava field experiments were studied.
通过木薯田间试验，研究了木薯营养规律及肥料利用率。
Based on the balance equation of soil nutrient and the law of the minimum limiting factor, some general principles are proposed for making fertilizer application tactics.
由土壤养分平衡方程和最小限制因子定律，讨论了因时因地制定施肥策略的必要性。
The law making to the cadmium limitation in chemical fertilizer is still hindered by some parts of relative interests though the greater and greater attention is paid.
化肥中镉的限量越来越受到社会的普遍关注，但其立法过程受到相关利益方的阻碍。
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