小麦施用粉煤灰磁化肥数学模型的建立及水肥耦合效应的研究

采用三因素二次正交旋转组合设计，对豫东潮土区影响小麦产量综合农艺措施，粉煤灰施用量，小麦种植 密度及灌水量进行了定量研究。建立了小麦目标产量函数模型；通过模型解析选优，确定了每公顷目标产 量≥６６００ｋｇ。≥６１５０ｋｇ，≥５７００ｋｇ及最大经济效益的综合农艺措施。

Study on mathematical model of supply of magnetized coal-fly-ash compound fertilizer on wheat and coincidence effect of water and fertilizer

Adopting the quadratic regression rotation design, a series of research about the comprehensive agronomic practice of effectting wheat yield, the quantity of supplying coal-fly-ash, the density of planting wheat and irrigating amount had been conducted for two years at Chao soil area in East Henan Province. The regression model on yield were established, and the compre - hensive agronomic practice for wheat yield being respectively higher than 6600, 6150, 5700kg/hm2 and their maxium economic benefit were suggested by the optimum seeking method.