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水稻扬花灌浆期喷施腐殖酸钠有良好的增产效果。我们于一九七五年早造试验,平均每亩增产65.3斤,增产6.9％;晚造试验,平均每亩增产89.2斤,增产14.5％。在一九七五年早造试验的基础上,晚造柳州地区大面积推广,据不完全统计,喷施面积达33万多亩。根据150个验收点的统计,其中增产的144个点,平产或减产的6个点,增产幅度10％左右。据我们亲自验收的10个材料的统计,平均每亩增产92.1斤。其中增产最少的,每亩增30斤,增产4.8％。
Spraying rice during flowering stage has a good effect on yield increase. We made experiments in early 1975, with an average yield of 65.3 kg / mu and a 6.9% increase. In late-night tests, the average yield per mu was 89.2 kg and the yield was 14.5%. On the basis of experiments made early in 1975, large-scale promotion was made in late Liuzhou area. According to incomplete statistics, the spraying area reached 330,000 mu. According to the statistics of 150 acceptance points, 144 points for increasing production, 6 points for normal production or reduction, and an increase of about 10%. According to the statistics of the 10 materials that we personally accepted, the average increase of 92.1 kg per mu. One of the least production increase, by 30 kg per mu, an increase of 4.8%.