以农作物为一个生产系统,应用系统分析的观点和控制论中“黑箱论”方法,对冬小麦氮磷肥料效应进行分析与模似,为优化配方施肥提供依据。 Taking the crop as a production system, applying the concept of systematic analysis and the theory of “black box” in cybernetics, the effect of nitrogen and phosphorus fertilizer on winter wheat was analyzed and simulated to provide the basis for optimizing formula fertilization.