思茅地区的旱地麦从抽穗到灌浆期正值干春季节，常遇到干旱和高温的影响，麦株青枯，不能正常灌浆成熟，麦粒空瘪，粒重降低，减产可达１０％～３０％。 　　旱地麦抽穗到乳熟期喷施磷酸二氢钾，磷、钾营养经麦叶吸收　后，能加快干物质的合成、运输和积累，使麦粒灌浆充足，灌 Dryland wheat in Simao region is at dry spring from heading to filling stage, and often encounters the effects of drought and high temperature. Wheat plants are withered, can not be grouted and mature, the grains are empty and grain weight is reduced, and the yield can reach 10% 30%. Dry ear wheat heading to the milky maturing spraying of potassium dihydrogen phosphate, phosphorus, potassium nutrition absorbed by the wheat leaves, can accelerate the synthesis, transport and accumulation of dry matter, grain filling sufficient, irrigation