Characterization of Phosphate-solubilizing Microorganisms in Upland and Plastic Film House Soils

밭과 시설재배지 토양의 인산가용화 미생물의 특성

  • 서장선 (농촌진흥청 국립농업과학원) ;
  • 권장식 (농촌진흥청 국립농업과학원)
  • Received : 2008.09.19
  • Accepted : 2008.10.11
  • Published : 2008.10.30

Abstract

With the aim to explore the possible role of phosphate-solubilizing bacteria in soil, we conducted a survey of phosphate-solubilizing microorganisms colonizing in upland and plastic film house soils. Soil EC, pH, organic matter, available phosphate, exchangeable cation such as potassium, calcium and magnesium, and total P of plastic film house soils were higher than those of upland soils. Phosphate-solubilizing bacteria population was higher in plastic film house soils than upland soils, but species of phosphate-solubilizing bacteria was more diverse in the upland soils than the plastic film house soils. There was significant positive correlation between phosphate solubilization and phosphate-solubilizing bacteria in soils. Bacillus, Cedecea, Brevibacillus, Paenibacillus, Pseudomonas, Serratia spp. were isolated from upland soils and Bacillus and Cellulomonas spp. were from plastic film house soils.

Keywords

Upland soil;Plastic film house soil;Phosphate-solubilizing bacteria

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