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1981年进行了棉田地膜覆盖试验.初步明确在徐淮一熟棉区,地膜覆盖可以改善棉花生长的环境条件,促进棉株生长发育和早现蕾结铃,是增产的有效途径.一、内容和方法分直播覆盖和育苗移栽覆盖两个部分,采用无锡产0.015毫米白色透明塑料薄膜.试验分设全生育期覆盖(棉花播种或移栽后,覆盖双行,至收花结束,地面覆盖度55.6%),半生育期覆盖(出苗后将地膜改在
The plastic film mulching experiment was conducted in cotton field in 1981. It is clear that in the first cotton region of Xuhui, film mulching can improve the environmental conditions for cotton growth, and promote cotton plant growth and early bolting and bolting, which is an effective way to increase yield. And methods of live coverage and seedling transplanting coverage of two parts, the use of Wuxi produced 0.015 mm white transparent plastic film. The test consists of full growth period coverage (cotton sowing or transplanting, covering double lines, to close the end of flowers, ground coverage 55.6%), covered during the second half of life (after the emergence of the mulch to change