粮食生产只靠扩大面积提高产量是有限的,必须靠改良土壤,培肥地力,提高单产,才是创高产夺丰收的根本。从农场几十年的生产实践来看,靠白浆土自然肥力打粮,产量不高,每年亩产百余斤,有时不足百斤。1971～1973年,我们农场12、13、20队等三个单位三年平均亩产只 Only by expanding the area of ​​food production to increase output is limited, we must rely on improving the soil, fertilizing the land, increase yields, is the only harvest of high yield harvest the fundamental. From the farm’s decades of production practice, the natural fertility by white soil to fight grain, yield is not high, more than 100 kilograms per mu per annum, and sometimes less than a hundred pounds. From 1971 to 1973, our farm 12, 13, 20 teams and other three units average annual output only three years