论文部分内容阅读
冬季浇越冬水不仅可起到冬水春用、防止春旱的作用,而且还可踏实土壤,粉碎坷垃,弥实裂缝,缓和地温的剧烈变化,防止冻害死苗,有利于培育壮苗越冬。并且还可以消灭越冬害虫,促进土壤微生物的活动,加速土壤有机肥料分解,为小麦春季返青创造良好的肥力条件。但当前大多数农民朋友对冬灌认识不足,在进行冬灌时存在以下问题:
Winter pouring winter water can not only play a winter spring with spring, to prevent the role of spring drought, but also practical soil, crushing Kebian, to overcome the cracks, to ease the dramatic changes in temperature to prevent frostbite dead seedlings, is conducive to nurturing strong seedlings wintering. And also can eliminate the overwintering pests, promote the activities of soil microorganisms, accelerate the decomposition of organic fertilizer in soil, to create good fertility conditions for spring wheat turning green. However, most peasant friends do not have enough understanding of winter irrigation and have the following problems during winter irrigation: