为了综合研究高产稳产田的肥力性状,自1971年以来,我们在山西省大寨大队及其邻近地区于玉米、小麦主要生育期内,测定了海绵田、非海绵田以及加快熟化新修地的土壤有机质、全量氮、磷、钾;并对微生物的季节性变化作了三年的测定;分别测定了雨季和旱季土壤水分和温度的变化;同时还利用薄片研究了土壤结构与土壤肥力的关系。 In order to comprehensively study the fertility traits of high and stable yielding fields, we measured the sponge fields, non-sponge fields and the accelerated maturation of new cultivation sites in the main growth period of maize and wheat in Dazhai Brigade and its adjacent areas of Shanxi Province since 1971 Soil organic matter, total nitrogen, phosphorus and potassium. The seasonal variation of microorganisms was measured for three years. The changes of soil moisture and temperature in rainy season and dry season were also measured. At the same time, the relationship between soil structure and soil fertility .