老菜园土质老化后,菜的产量一年不如一年,怎样对老菜园进行改造呢? 一、施用大量腐熟的有机肥料、改善土壤团粒结构,为蔬菜根系生长创造良好的环境条件。 二、对因施用化肥不当而引起土壤酸化或碱化的菜园地,要增肥有机肥,少施化肥。 三、实行不同科蔬菜的合理轮作换茬,改善土壤肥力,减少病菌和有毒物质的积累。 Old garden soil aging, the yield of vegetables a year as a year, how to transform the old garden it? First, the application of a large number of decomposed organic fertilizer to improve soil aggregate structure, root growth for the vegetables to create good environmental conditions. Second, due to improper use of fertilizers caused soil acidification or alkalization of the vegetable garden, to increase fertilizer organic fertilizer, less fertilizer. Third, the implementation of different branches of vegetables reasonable rotation cropping, improve soil fertility and reduce the accumulation of germs and toxic substances.