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进贤县是典型低丘陵红壤地区。根据土壤普查肥力测定,红壤耕地全钾量1.0—1.5％,有效钾一般每亩仅10—20斤,处于缺钾和严重缺钾状态。1979年全县调入氯化钾537吨,进行多种作物肥效试验,以及较大面积示范,均收到良好的效果,在施用技术上也摸到一些经验。
Jinxian County is a typical hilly red soil area. According to soil census fertility test, red soil arable land total potassium content of 1.0-1.5%, available potassium generally only 10-20 kg per mu, in a state of potassium deficiency and severe potassium deficiency. In 1979, the county transferred 537 tons of potassium chloride to carry out a variety of crop fertilizer efficiency tests, as well as a large area demonstration, which both received good results and also gained some experience in application techniques.