Publication Date
1985
Location
Kyoto Japan
Description
Phosphate-solubilizing (PS) microorganisms made up ca. 1 % of bacterial (including actinomycetous) and ca. 10% of fungal populations of grassland soils. They were speculated to solubilize bound phosphates in the non-rhizosphere soil in the presence of a large amount of available carbon sources by the following results; 1) plate counts of PS bacteria and fungi greatly increased on the agar plate rich in carbon source, 2) the numbers of PS bacteria and fungi significantly increased in proportion to the content of total carbon and not to that of total or available phosphorus in soil, 3) the soil applied with a very large amount of dung had much higher numbers of PS bacteria and fungi than the normally treated soil adjacent to it,
4) most of PS microorganisms isolated were thought zymogenous, 5) none of fungi isolated from the root-surface of orchard grass showed PS ability. It was observed that, as a group, fungal isolates showed much greater ability to solubilize authentic tricalcium, ferric and aluminum phosphates than bacterial ones,
Citation
Nishio, M, "Some Ecological Features of Phosphate - Solubilizing Microorganisms in Grassland Soil" (1985). IGC Proceedings (1985-2023). 17.
(URL: https://uknowledge.uky.edu/igc/1985/ses6/17)
Included in
Agricultural Science Commons, Agronomy and Crop Sciences Commons, Plant Biology Commons, Plant Pathology Commons, Soil Science Commons, Weed Science Commons
Some Ecological Features of Phosphate - Solubilizing Microorganisms in Grassland Soil
Kyoto Japan
Phosphate-solubilizing (PS) microorganisms made up ca. 1 % of bacterial (including actinomycetous) and ca. 10% of fungal populations of grassland soils. They were speculated to solubilize bound phosphates in the non-rhizosphere soil in the presence of a large amount of available carbon sources by the following results; 1) plate counts of PS bacteria and fungi greatly increased on the agar plate rich in carbon source, 2) the numbers of PS bacteria and fungi significantly increased in proportion to the content of total carbon and not to that of total or available phosphorus in soil, 3) the soil applied with a very large amount of dung had much higher numbers of PS bacteria and fungi than the normally treated soil adjacent to it,
4) most of PS microorganisms isolated were thought zymogenous, 5) none of fungi isolated from the root-surface of orchard grass showed PS ability. It was observed that, as a group, fungal isolates showed much greater ability to solubilize authentic tricalcium, ferric and aluminum phosphates than bacterial ones,
