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我省1962—1965年在武昌、蒲圻、黄冈、宜昌等九个地区,先后进行了30个油菜施磷效果试验,计51项处理,其中显著增产的有48项,占94%。兹将几年试验结果整理于下: 一、磷肥在不同轮作制中的增产效果 1.稻、油轮作制:在冲积正土上,磷肥直接施于油菜,当季有很显著的增产效果;连续两年直接施
In 1962-1965, nine provinces including Wuchang, Puhuang, Huanggang, Yichang and other nine regions of our province successively carried out 30 experiments on phosphorus application in rapeseed, accounting for 51 treatments, of which 48 were significantly increased (94%). The results of several years will be collated in the following: First, the phosphate fertilizer production in different crop rotation effect 1, rice, oil tanker system: in the alluvial arena, phosphate fertilizer applied directly to rape, the season has a significant yield increase; Direct application of two consecutive years