na INLIS000000000004187 Ind 0010-1118004187 631.46 J. Hassink Relationship between the amount and the activity of the microbial biomass in dutch grassland soils: comparison of the fumigation-incubation method and the Substrate-induced respiration method HASSINK, J. 6 p.: ill.; 27 cm. 6 p.: ill.; 27 cm. Repr. from: Soil Biol. Biochem. vol. 25(5) 1993: p. 533-538.-- Bibl.: p. 538 GRASSLANDS NETHERLANDS SOIL BIOLOGY mfn-5930