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一、轮作换茬对作物增产的作用 “换茬如上粪”,看是我国农民几千年来生产经验的总结。根据在二十一团第三作业站的调查结果,可以看出,不同的前作对棉花、小麦的产量有着不同的影响（表1、表2）。作物灌溉制度和施肥制度,达到增加各种作物单位面积产量,以及为畜牧业创造巩固的饲料基地,在时间上和空间上的作物轮换”。 根据今年的初步调查结果看来,我们认为目前在本区各农场的生产实践中,大部分都是属于时间上的作物轮换。下面引用二十一团农
First, the rotation of crop rotation on the role of crop production “Change stubble on the above feces,” see is the conclusion of our farmers over thousands of years of production experience. According to the survey results of the Twenty-one Troupe’s third operation site, it can be seen that different pre-production have different effects on the yield of cotton and wheat (Table 1 and Table 2). Crop irrigation regimes and fertilization regimes in order to increase the yield per unit area of various crops and to create a consolidated feedstock base for the livestock sector, with the rotation of crops in space and time. "Based on the preliminary findings of this year, we believe that at present, at Most of the production practices in the various farms in the area are crop rotation in time. The following quotes twenty-one regiments