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依据联合国粮农组织气象专家范·费尔图依森估算作物最大生产潜力方法，估算了坝上春小麦最大生产潜力为６３１．８ｋｇ／亩。坝上春小麦高产３个需水关键期依次为拔节期、分蘖期和抽穗期，这３个时期分别补充５９．１ｍｍ、４４．３ｍｍ和３５．８ｍｍ灌水就有可能获得最大产量水平。多点示范应用，亩产可逾千斤，比对照增产效果显著。
Based on the method of estimating maximum production potential of crops by the FAO Food and Agriculture Organization expert Fergus Toussaint, the maximum production potential of spring wheat on the dam was estimated to be 631.8 kg / mu. The three critical water-supply periods for spring wheat yield in Bashang County were jointing stage, tillering stage and heading stage in turn. The maximum yield could be obtained by replenishing 59.1mm, 44.3mm and 35.8mm irrigation respectively in these three periods. Demonstration of more applications, per mu can be overweight, significantly higher than the control yield.