Carbon and phosphorus in the soil biomass of some tropical soils of India

Srivastava, S. C. ; Singh, J. S. (1988) Carbon and phosphorus in the soil biomass of some tropical soils of India Soil Biology and Biochemistry, 20 (5). pp. 743-747. ISSN 0038-0717

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0038-0717(88)90161-7

Abstract

Microbial biomass C and P were measured for six tropical soils. Biomass C ranged from 149 to 667 μg g−1 soil and biomass P from 17 to 35 μg g−1 soil and the two were linearly related with the soil biomass having a mean P concentration of 3.5%. Soil biomass accounted for 2.5-5.6% of total soil organic C and 9.2-19.2% of the total soil organic P. The amount of biomass P was positively related with NaHCO3-extraclable soil inorganic P. P concentration in biomass on the other hand exhibited an inverse relationship with NaHCO3-extractable soil Pi.

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