【摘要】 通过比较无膜和覆膜栽培条件下，耕层土壤的温度变化、棉花生育进程、发育情况以及棉花的产量和品质，建议可在辽河流域棉区进行无膜棉花栽培，并对春季提墒、保墒和保苗等关键技术进行总结。更多还原

【Abstract】 By comparing the temperature change of tillage soil,development process,growth situation,yield and quality of cotton under the conditions of bareland and film-mulching cultivation,concluded that bareland cotton cultivation could be carried out in Liaohe River Basin. Technical key lied in soil moisture preservation and seedling preservation in spring.更多还原