采用土壤养分状况系统研究法。在摸清土壤养分限制因子前提下,平衡施肥。
By using soil nutrient state system study method, balancing soil fertilization have been adopted after the soil nutrient limitation factors had been made clear.
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.
试验结果表明,土壤缺钾是该试验的主要养分限制因子之一;
The potash deficiency in soil is proved the restricting factor in this experiment.
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