论文部分内容阅读
绥德县定仙墕公社临近黄河畔,是一个典型丘陵山区。全社38个大队,8042人,38000么耕地,由于全是高山陡坬,峁梁沟壑,土壤瘠薄,肥料极缺,产量一直很低。近年来,他们认真学习外地种草养地增产的先进经验,大种草木栖、苜蓿、沙打旺和箭筈莞豆等绿肥作物,基本上形成了粮草轮作制度,达到了改土肥田增产粮食的目的。全社每年种草约5600亩,三年内的草茬地,占农耕地60%左右。1973年前,粮食总产约200万斤,1975年后
Suide County fairy cents commune near the Yellow River, is a typical hilly area. The whole community of 38 brigades, 8042 people, 38000 what arable land, due to all the steep mountain peaks, Gully ravines, soil infertility, fertility is extremely scarce, the output has been very low. In recent years, they have conscientiously studied the advanced experience of growing grassland and increasing production in the field. The green manure crops such as broad-leaved grass habitat, alfalfa, sowing flour, arrowhead bean and so on have basically formed the crop rotation system and have reached the goal of increasing output of grain the goal of. The whole community annually plant about 5600 acres of grass, straw within three years, accounting for about 60% of the farmland. Before 1973, the total output of grain was about 2 million kilograms, after 1975