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钾钙肥的增产效果近三年(七三年秋至七五年春),在金华、兰溪、浦江、衢县、义乌、东阳、永康、武义、江山等九县三十七个试验单位进行了二百零九个钾钙肥肥效对比试验,结果对几种主要粮食和经济作物获得较明显的增产效果。一般亩施钾钙肥一百至一百五十斤,比不施钾肥的可增产百分之十至百分之二十。据一百十三个水稻试验结果统计,平均亩施钾钙肥一百二十四点六斤,其亩产稻谷六百三十五点零三斤,比不施钾肥(亩产五百六十二点六八斤)增产七
The yield-increasing effect of potash-calcium fertilizer in the past three years (Autumn from 1973 to spring of 1975) was carried out in thirty-seven experimental units in nine counties including Jinhua, Lanxi, Pujiang, Qu County, Yiwu, Dongyang, Yongkang, One hundred and nine potassium-calcium fertilizer efficiency comparison test, the results of several major grain and cash crops to obtain more obvious yield-increasing effect. General Mushi K calcium fertilizer one hundred to one hundred and fifty pounds, compared with no potassium fertilizer can increase ten percent to twenty percent. According to the statistics of one hundred and thirteen rice test results, the average amount of potassium and calcium fertilizer per acre was 124.6 kg and its mu production of rice was 635.30 kg, 12.68 pounds) increase production of seven