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灌溉制度随着作物种类、品种、产量水平、各生育阶段的生长情况及自然条件和农业设施的不同而各异,同时灌溉方法也决定着合理灌溉制度的确定,只有合理的确定灌水次数、灌水定额、灌水时间和灌溉定额,才能达到节约用水,科学灌水的目的,确保农业高产,增加农民收入,特别是对渭干河灌区这样大型缺水灌区而言,研究和确定灌溉制度,具有非常重大的科学意义和价值。
Irrigation system varies with crop type, variety, yield level, growth of each growth stage and natural conditions and agricultural facilities, and also determine the irrigation method to determine the reasonable irrigation system, only reasonable to determine the number of irrigation, irrigation Quota, irrigation time and irrigation quotas in order to achieve the purpose of water conservation, scientific irrigation, to ensure high-yield agriculture and increase farmers’ incomes, especially for large dry irrigated areas such as Weigan River Irrigation District, to study and determine the irrigation system is very important The scientific significance and value.