遵照毛主席关于“要接受新事物,要研究新问题”和“一切经过试验”的伟大教导,在学习无产阶级专政理论运动的推动下,在上级党委的正确领导下,我们学理论,抓路线,促科研,从生产实际出发,针对我县在试验、推广腐植酸类肥料过程中出现的一些问题,积极开展腐肥的使用试验。今年年初用腐植酸铵作洋芋追肥试验,结果追施腐植铵的比施用农家肥的增产百分之十七点九,折合亩产四千斤。在播种玉米时,又分 Following Chairman Mao’s great teaching of “accepting new things, studying new problems,” and “experimenting with everything,” we must, under the correct leadership of higher Party committees and under the guidance of the theoretical movement of proletarian dictatorship, learn theories and catch the line , Promote scientific research, starting from the actual production, in view of my county in the test, the promotion of humic acid fertilizer in the process of some problems, and actively carry out the use of fertilizer test. Early this year with ammonium huminate for potato top dressing test, the results topdressing humus than the application of manure increased production of 17.9 percent, equivalent to four kilograms per mu. When sowing corn, another minute