基于神经网络理论，对土壤施肥模型进行了研究。
Based on the method of artificial neural network, the soil fertilizer model is researched.
生态平衡施肥以生态平衡施肥模型为理论基础，从土壤-环境-人类综合考虑出发，以生态型肥料为载体的新体系。
Ecological balanced fertilization is new fertilization system, which is considered from soil-environment-human. Based on the theory of its model and carried by ecological fertilizer.
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。
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.
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