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1975年冬,罗田县石桥铺公社右桥铺大队平整了岗坡地76亩。在平整前和平整后,我站在这里建立了径流观测场。平整前径流场总面积30.6亩,其中5—10度的坡耕地占50.6％,其他为陡坡陡坎地。平整后径流场总面积41.2亩,其中平整的水浇地27.9亩,占67.7％,田块间最大高差为6.96米,最小为1.77米;地坎、陡坡13.3亩,其中松泡地坎有3.02亩。1974、1975年在坡耕地径流场,1976年在新平整的土地没有建设石岸
The winter of 1975, Luotian County Shi Qiaopu commune right bridge shop brigade formation of 76 acres of hillside. Before and after leveling, I stood here to establish a runoff observing field. The total area of the front runoff is 30.6 mu, of which, 5-10.6% of the slope farmland accounts for 50.6% and the rest is the steep slope steep ridge. After the formation of a total area of 41.2 mu of runoff field, of which 27.9 mu of smooth irrigated land, accounting for 67.7%, the maximum height difference between plots of 6.96 meters, the minimum is 1.77 meters; ridge, 13.3 acres of steep slopes, 3.02 acres. In 1974 and 1975, on the slope farmland runoff field, there was no rocky bank in the newly formed land in 1976