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本试验是探索小麦叶面喷洒土面增温剂等化学药剂对叶面气孔开关状态、减少叶面蒸腾的影响,以及在发生干热风时防灾增产的效果。一、试验方法试验在小麦灌浆后期——乳熟期进行(6月29～7月20日)。试验点有固原县黑城公社团庄四队,三营公社马路大队,头营公社徐河大队。供试小麦,灌溉地为斗地和青春十八号,旱地为红芒麦。各试验点均有四个处理,两次重复,以空白作对照,试验面积450平方米。试验所用药
This experiment is to explore the wheat leaf surface spraying soil surface temperature agent and other chemical agents on the leaf stomatal switch state, reduce the impact of leaf transpiration, and dry and hot wind in the event of disaster prevention and increase production effect. First, the test method The experiment in the late grain filling - milk stage (June 29 ~ July 20). Test points Guyuan County Black City commune team four teams, three battalion brigade commune, head camp commune Xu River Brigade. Triticum aestivum, irrigated land and youth on the 18th, the dry land is red mangrove. Each test point has four treatment, two repeated, with a blank as a control, the test area of 450 square meters. Test medication