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球肥深施这一增产措施,省外早已大面积推广。1975年春省分配我区72—Ⅱ型球肥机一台,我所重点在曲靖县西山公社进行试验示范,同时在曲靖、陆良、宣威、嵩明、寻甸、马龙等县二十八个点进行示范,一致认为,球肥深施肥效确实显著,深受群众欢迎,
Fertilizer deep application of this increase measures, the province has long been large-scale promotion. In spring of 1975, we allocated 72- ¢ ò type ball spreader in our district, and we focused on experimental demonstration in Xishan commune of Qujing County. At the same time, we carried out trial and demonstration in Qujing, Luliang, Xuanwei, Songming, Xundian, Malone and other counties A point of demonstration, agreed that the deep ball fertilizer fertilizer effect is indeed significant, welcomed by the masses,