Regional nitrogen fertilizer application model, Regional phosphorus fertilizer applicationmodel, field nitrogen fertilizer application model and field nitrogen fertilizer application modelwere obtained by ordinary model and characteristic parameters of seasonal available nutrientsbalance.
根据通用施肥模型及有效养分季节性平衡特征参数模型，可以得到拜泉县黑土大豆产区区域施氮模型、区域施磷模型及地块施氮模型、地块施磷模型。
参考来源 - 拜泉县黑土大豆平衡施肥的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Based on simulation of wheat growth phase, a computer simulation model for wheat growth optimization and fertilizer application with optimum economic performance was set up.
以小麦生物学特性和土壤植物营养学为依据，在小麦生育模拟基础上，建立了小麦生育优化动态模式和最佳经济效益施肥模型。
The strategy is to control the application amount, especially paying attention to the chemical fertilizer use of model production field.
提出的对策是适当控制化肥施用总量，特别控制样板田、示范方的化肥施用量。
The model of fertilizer application in cotton with high yield, quality and efficiency was made through the scientific experiments for many years.
当前，江西鄱阳湖区推广的棉花高产优质高效施肥方案，是通过多年的科学试验获得的。
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