为了提高单位面积产量,很多农民开始注重培肥地力,但许多农民反映,因不了解土质状况,不知培肥地力应从何处人手。为此,农民纷纷呼吁,希望农技部门帮助农民建立“土质档案”。定期对土壤的有机质,氮、磷、钾及微量元素,酸碱度等 In order to increase the yield per unit area, many farmers began to pay attention to fertilizing soil fertility. However, many farmers said they did not know where soil fertility should be due to lack of knowledge of soil conditions. To this end, farmers have called for hope that agricultural sector to help farmers establish “soil files.” Regular soil organic matter, nitrogen, phosphorus, potassium and trace elements, pH and so on