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棉花塑膜地面覆盖栽培,是近几年全国重点示范、推广的一项农业科技成果。这项新技术在各地的推广过程中,尚有一些问题需要解决。本文试对盖膜栽培的尿素施用作初步的探讨。 1982年,南疆的生产建设兵团农一师种植地膜棉6.54万亩。我们在沙井子、阿拉尔垦区的农业考察中,发现部分农场的棉花烧苗现象比较严重。其危害程度则与施用的氮肥种类、
Cotton plastic film ground cover cultivation, is the focus of national demonstration in recent years, to promote an agricultural science and technology achievements. There are still some problems to be solved in the popularization of this new technology around the world. This paper tries to cover membrane cultivation of urea as a preliminary study. In 1982, a division of production and construction Corps in South Xinjiang farmers planting cotton membrane cotton 65,400 mu. In our study on agriculture in Shajingzi and Alarke reclamation areas, we found that the phenomenon of cotton seedling burning in some farms is serious. The extent of its harm and the application of nitrogen types,