棉花地膜覆盖的增产效应与经济效益,已为科研和生产所证实。但是,不同的生产条件和土壤环境,对地膜的增产效应产生明显不同的影响。在旱地,干旱和干旱型早衰乃是限制棉花增产的主要因子。有鉴于此,我们就如何增强旱地地膜棉耐旱力进行了初 The yield-increasing effect and economic benefits of cotton film mulching have been confirmed by scientific research and production. However, different production conditions and the soil environment have distinctly different effects on the plastic film yield-increasing effect. In drylands, arid and arid premature senescence is a major factor limiting cotton yield. In view of this, we conducted a preliminary study on how to increase the drought tolerance of dryland cotton