Comparison of soil microbial amount of different Eucalyptus species

The quantity of main microorganism groups(bacteria,fungi and actinomyces)was measured,and the relations between microorganism quantity and soil fertility were preliminarily analyzed.The results indicated that Eucalyptus′s microbe quantity was huge,and was related to soil fertility.According to the quantity of microorganism groups,it was showed that soil fertility was E.grandisE.urophyllaE.grandis×E.urophyllaE.urophylla×E.grandisE.grandis×E.Camaldulensis.