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Microbial biomass phosphorus in soils of beech ( Fagus sylvatica L.) forests[J] . Rainer G. Joergensen,Helga Kübler,Brunk Meyer,Volkmar Wolters.Biology and Fertility of Soils . 1995 (2)
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Effects of farmyard manure and inorganic fertilizer on the dynamics of soil microbial biomass in a tropical dryland agroecosystem[J] . N. Ghoshal,K. P. Singh.Biology and Fertility of Soils . 1995 (2)