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1984年底,我随兵团棉花考察组赴山西、河南、山东、江苏及上海、北京等省市学习棉花栽培技术,现将了解到的棉花生产、科研中的几个新信息介绍于下.一、低压膜大有推广前途中国棉花研究所研究表明,棉花地膜栽培使用的地膜,其效应与膜的厚薄无关,而采用较薄的低压膜较为经济合算.一般,低压膜厚0.005—0.008毫米,亩用量可较当前使用的高压膜(厚度为0.015—0.02毫米)少一半多,亩成本降低50%以上.山西棉花研究所试验证明,低压膜昼夜温差大,利于培育壮苗.
At the end of 1984, I studied cotton cultivation techniques with the Corps cotton study team in Shanxi, Henan, Shandong, Jiangsu, Shanghai, Beijing and other provinces and cities. Now I learned a few new information about cotton production and research, Low-pressure film great promotion prospects China Cotton Research Institute shows that the use of plastic film mulching cotton, the effect has nothing to do with the thickness of the film, and the use of thinner low-cost film is more economical and economical. In general, the low-pressure film thickness 0.005-0.008 mm, mu Dosage can be more than the current use of high-pressure film (thickness 0.015-0.02 mm) less than half, Mu cost reduction of more than 50%. Shanxi Cotton Institute test proved that the low pressure film temperature difference between day and night, which will help cultivate strong seedlings.