【摘要】 本文以华北山前平原冬小麦主要产区代表栾城试验站为例，根据试验资料确定出冬小麦各生育阶段对缺水反应的影响指数，以此得出阶段耗水量与产量关系的数学模型，并通过冬小麦气候生长潜力估算法和实际资料对比模型进行了验证。最后用此模型估算了华北山前平原优质水不足条件的冬小麦产量，并对灌溉制度的优化进行了分析。更多还原

【Abstract】 Based on the experimental data of Luancheng station by calculating the in fluencing indexes to rater lack of every growing stage of winter wheat.themathematical model explaingthe relationthip between stage water consumptionand yiedl is given.This model is evaluaedby climatical potional productivity and exprimental data.This model is applied to estimatewinter wheat yield under water lack and to analyse optimum of irrigation system.更多还原