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近年来,四川棉区由于农业生产的不断发展,棉区的农业生产结构发生了较大变化,棉田复种轮作方式也相应的发生了变化,对提高粮棉产量起了积极作用。为给今后棉区究竟采用何种耕作方式提供依据。1982～1983两年在我省棉区最西部的井研县,进行现在棉田采用的三种轮作方式的比较试验,似鉴定其优劣和经济效益高低,供今后该地区或其它同类型棉区棉田改制作参考。现将这一试验的部份资料总结于后。
In recent years, due to the continuous development of agricultural production in Sichuan cotton area, the agricultural production structure in the cotton area has undergone great changes. The method of multiple cropping and rotation in cotton fields has also changed correspondingly, which has played a positive role in increasing the output of grain and cotton. For the future cotton area what kind of farming methods to provide the basis. 1982 ~ 1983 two years in the province of cotton in the western part of Jingyan County, cotton fields now used in the three rotation comparison test, it seems to identify the merits and economic benefits, for the future or the same type of cotton area Cotton field for reference. Now part of the test data summarized below.