In solar greenhouse,effect of CK(no fertilization),NP fertilizer,organic manure,biogas fertilizer on soil microorganism and respiration was studied.The results showed that,compared to CK,the number of bacteria of soil decreased by 0.6%~57.2%,fungi of soil increased first and then decreased,and actinomycete of soil increased by 7.4%~65.0% when using NP fertilizer.Application amount of NP fertilizer reduced a half,the number of fungi of soil increased,but actinomycete of soil decreased.By using organic manure...