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一、引言要在干旱程度不同的地区,不同的水文年份里,保证高额而稳定的产量,必须进行合理的灌溉.如不掌握灌水时间的预报,就不能进行科学的计划用水,根本摆脱不了灌溉管理工作上的被动性.农作物田间耗水量,是灌溉设计和灌溉管理的依据.根据我们的分析,可以根据蒸发力来计算田间耗水量,并提出了按小麦需水规律、前后耗水阶段累积量比例法,进行灌水时间预报的初步分析.在完成本文中,蒙沙王清教授给予帮助,特此致谢.
I. INTRODUCTION To ensure high and stable output in different degrees of drought and in different years of hydrology, irrigation must be carried out rationally, and if there is no forecast of irrigation time, water can not be scientifically planned and can not be released Passiveness in irrigation management The field water consumption of crops is the basis of irrigation design and irrigation management.According to our analysis, the field water consumption can be calculated according to the evaporation force, and according to the law of wheat water requirement, the water consumption phase Cumulative Proportional Method, a preliminary analysis of the prediction of irrigation time.In the completion of this article, Professor Wang Mengshu help, I hereby thank you.