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据省农林局吴堡县中心点调查,我地目前亩施有机肥的水平是:高梁、土豆3,000～4,000斤,冬小麦1,500～2,000斤,谷子500斤左右,豆、糜、荞麦不施肥或拌点少量种肥。据测定,耕层土壤有机质含量原地和老梯田0.3～0.5%,新梯田0.2～0.3%,仅为大寨田的1/5～1/7。因此,农业要大幅度增产,除充分和用现有水利资源外,必须大抓肥料建设,培肥地
According to the provincial Bureau of Agriculture and Forestry Wubao County Center survey, my current level of organic fertilizer Mush is: sorghum, potatoes 3,000 to 4,000 pounds, 1,500 to 2,000 pounds of winter wheat, millet 500 pounds, beans, rice, buckwheat not fertilize or mix Point a small amount of fat. It is determined that the content of organic matter in the topsoil is 0.3-0.5% of the original terraced rice fields and 0.2-0.3% of the new terraced fields, only 1/5 to 1/7 of that in Dazhai County. Therefore, agriculture should significantly increase production, in addition to full and use of existing water resources, we must pay great attention to fertilizer construction, fertilizing land