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为了探索地膜棉花苗期根病重,前期易徒长,后期烂铃多早衰重和地膜成本高以及残膜对土地的污染等问题,从1984～1986年进行了棉花膜侧栽培技术研究。经3年试验和大面积示范,取得显著成效。现将结果摘要整理如下:一、材料与方法1984年采取大区对比试验;1985、1986年均采用4行区,行长10米,小区面积为20平方米,随机区组,3次重复。1985年进行了覆盖度、播种期、密度和膜型等4项试验研究。供试品种为辽棉九号。棉花膜侧栽培不需在地膜上进行田间作
In order to explore the problems of mulching cotton seedling root disease, early Yi-long, early-late bad-bell attenuation and high cost of the mulching film and the pollution of the residual film on the land, the film-side cultivation of cotton was studied from 1984 to 1986. After three years of experiments and large-scale demonstration, achieved remarkable results. Now the summary of the results are summarized as follows: First, materials and methods In 1984 to take a large area contrast test; 1985,1986 years are used 4-line area, governor 10 meters, the plot area of 20 square meters, random block, 3 times. In 1985 carried out coverage, sowing time, density and membrane type 4 experimental study. Test varieties for Liaoning cotton nine. Cotton film-side cultivation does not need fieldwork on the film