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Dissolving mechanism of strain P17 on insoluble phosphorus of yellow-brown soil BJM
Chuan-qing,Zhong; Guang-xiang,Cao; Wei-yi,Huang; Xing-she,Luan; Yi-fei,Yang.
Strain P17 was a bacterial strain identified as Bacillus megaterium isolated from ground accumulating phosphate rock powder. The fermentation broth of strain P17 and the yellow-brown soil from Nanjing Agricultural University garden were collected to conduct this study. The simulation of fixed insoluble phosphorous forms after applying calcium superphosphate into yellow-brown soil was performed in pots, while available P and total P of soil were extremely positive correlative with those of groundwater. Then the dissolving effect of strain P17 on insoluble P of yellow-brown soil was studied. Results showed that Bacillus megaterium strain P17 had notable solubilizing effect on insoluble phosphates formed when too much water-soluble phosphorous fertilizer...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Calcium superphosphate; P-solubilizing microbes; Acid phosphatase; Alkaline phosphatase.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000300025
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