合肥市郊菜园土土壤养分含量丰富，供肥强度大，是典型的高肥力土壤。长期的精耕细作，集约化栽培，使菜园土的土壤有机质含量，土壤全氮含量，土壤速效磷含量分别比母质土壤提高了６４．６％、７２．６％和２０倍。同时不良的土壤管理会带来土壤酸化和盐化现象。化学肥料的施用不仅能改善蔬菜生长发育状况，还能提高果实产量。增产幅度为２４．７％～４７．３％。 Hefei suburban garden soil rich in soil nutrients, fertilizer intensity, is a typical high-fertility soil. Long-term intensive cultivation and intensified cultivation increased soil organic matter content, soil total nitrogen content and soil available phosphorus content in vegetable garden soil by 64.6%, 72.6% and 20 times respectively than that of parent soil. At the same time, poor soil management will lead to soil acidification and salinization. The application of chemical fertilizer can not only improve the growth and development of vegetables, but also increase the yield of fruits. Increase rate of 24.7% ~ 47.3%.