不同棉花播种方式比较与分析

Comparison and Analysis of Different Sowing Methods of Cotton

缺水是影响了棉花产业发展的重要因素之一。为了节约用水,提高水的利用率,盐碱大的土地进行冬灌,来年春不复水,采用先铺膜后点种或双大膜播种;盐碱小的土地铺膜滴水后点种。采取多种播种方式合理利用光热资源,在抓全苗的基础上延长棉花有效生长期。适时提前棉花播种时期有利于实现棉花高产优质,获取最佳经济效益。

Water is one of the important factors affecting the development of cotton industry.In order to save water and improve the utilization rate of water,winter irrigation shall be carried out on saline and alkaline land.When the water will not return in the next spring,film laying shall be used first and then spot planting or double film planting shall be used;The soil with little salt and alkali shall be planted after being covered with film and dripping.The effective growth period of cotton should be prolonged on the basis of grasping the whole seedling by adopting various sowing methods to rationally use the light and heat resources.The timely advance of cotton sowing period is conducive to achieving high yield and quality of cotton and obtaining the best economic benefits.