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石河子垦区自五十年代试种棉花以来,已有37年之久。从1964—1986年的23年中,累计植棉面积782.23万亩。23年的前6年皮棉平均亩产44.8公斤,后6年平均亩产45.1公斤。露地棉单产没有什么变化。 造成露地棉亩产上不去的主要原因是近几年中,随着地膜面积的扩大,露地棉相对处于地力瘦、投入少、播种晚、管理差的状况。当前,从生产条件上优先考虑地膜棉无
It has been 37 years since Shihezi Reclamation experimented cotton cultivation in the 1950s. From 1964 to 1986 in 23 years, the cumulative area of 7,822,300 acres of cotton. In the first 6 years of 23 years, the average output of lint cotton was 44.8 kg, and the average yield per mu in the following 6 years was 45.1 kg. Naked cotton yields no change. The main reason causing the increase of cotton yield per acre is that in recent years, as the area of plastic film expands, the amount of cotton is relatively low and the inputs are low, the planting is delayed and the management is poor. At present, from the production conditions to give priority to cotton membrane without