论文部分内容阅读
心土铲是目前尚未大面积推广的耕地工具,它的用途主要是装在双铧犂的前犂位置(前犂拆下),用以铲松犂沟以下的土,不翻上来而增强土壤含蓄水分、养分能力,在盐垦地区还可避免盐分高的底土翻上来。便于表土盐分的清洗有利作物生长。为了明确其对作物产量的影响,我站于1957年5—10月在共青二社第九生产队棉花地进行了鉴定试验。鉴定结果,双铧盐加心土铲耕
Shovel shovel is not yet a large-scale promotion of arable land tools, its use is mainly installed in the dual-plow plow position (front plow removed), to shovel the furrow below the soil, not up and enhance the soil Subtle water, nutrient capacity, salt Ken area can also avoid high soil subversion turned up. Facilitate the cleaning of topsoil salt conducive to crop growth. In order to clarify its impact on crop yields, I stood in May-October 1957 in the Communist Youth League No. 9 production team cotton land for identification tests. Identification results, double-edged salt plus soil shovel tillage