Biological Significance of Enzymes Accumulated in Soil

Phosphatase activity in temperate pasture soils: Potential regulation of labile organic phosphorus turnover by phosphodiesterase activity

“…Phosphomonoesterase is known to be strongly sorbed in soil, although it retains some residual activity in the immobilised state (Skujins, 1976). The immobilised enzymes may even accumulate to the extent that they are the dominant source of activity (Kiss et al, 1975). There is no comparable data for phosphodiesterase, but this warrants further study given the apparent importance of this enzyme in the turnover of soil organic P.…”

Effect of fertilizer and manure application on microbial numbers, biomass, and enzyme activities in volcanic ash soils

“…Most organic components of soil are decomposed into inorganic substances due to the action of soil enzymes mainly secreted by microorgarfisms Studies on microbial biomass (JENKINSON and POWLSON 1976;LYNCH and PANTING 1980a, b;JENK1NSON and LADD 1981;MARUMOXO et al 1982;13OLTON et al 1985;SCHNt)RER et aI. 1985;CARTER 1986) and soil enzymes (SKuJINS 1967;BURNS 1978;KANAZAWA et al 1981;Kiss et al 1985) in upland field soils have been conducted mainly in Western countries and very few studies have been carried out on microbial biomass and soil enzymes in volcanic ash soil, which accounts for about 6 0~ of the soils of upland fields in Japan.…”

Effect of PGPR and PSB on Soil Chemical Properties, Nutrient Status and Microbial Population Changes after Harvest of Irrigated Maize under Varying Levels of Phosphorus

“…[7] , who showed that nitrogen fertilisation in organic form (FYM) increased the counts of Azotobacter spp. Further, the phosphorus that is present in soil added through fertilizers is reported to affect the activity of phosphatases (Kiss et al, 1975) [6] . This increased the phosphorus status of soil and improved microbial growth.…”