一、试验目的由于地产过石熟化不好,有效磷含量低,物理性状差。为提高肥效,做到农、化结合,1980年对地产过石与农家肥的混合发酵做了试验,收到了较好的效果,1981年又进行了重复试验,其结果如下。二、基本情况本试验是在肇州县永胜公社永利六队的碳酸盐草甸黑钙土上进行的。土壤有机 First, the purpose of the test As the property over the stone maturity is not good, low effective phosphorus content, poor physical properties. In order to improve the fertilizer efficiency and achieve the combination of agriculture and chemistry, a trial was conducted on the mixed fermentation of over-production of real estate and peasant manure in 1980, with good results received. In 1981, repeated tests were carried out. The results are as follows. Second, the basic situation This test is in Yongzhou County, Zhaozhou Yongli commune six teams of carbonate meadow calcareous soil on. Soil organic