今年在全国各地大量搞棉花高额丰产,很多地方要求每亩平均皮棉产量在1000斤或2000斤以上。新的要求,就必须有新的措施。各地也相应地采取了新措施,举例如下:南京孝陵卫中国农业科学院华东农业研究所,在大面积的高额丰产田,挖土2尺深,施用混合肥料,全部采用了营养 This year a large number of cotton in all parts of the country engaged in high yield, in many places requires an average of lint mu yield of 1,000 pounds or more than 2,000 pounds. New requirements, there must be new measures. For example, the following measures have been taken in various parts of the country: Nanjing Xiaolingwei East China Institute of Agricultural Research, Chinese Academy of Agricultural Sciences, digging 2-foot-deep in a large area with high fertility and using compost, all using nutrients