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。
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。
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.
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