1994
DOI: 10.1097/00010694-199415860-00006
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Effect of Organic Acids on Release of Phosphorus From Phosphate Rocks1

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Cited by 305 publications
(142 citation statements)
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“…The decrease in pH values clearly indicates the production of organic acids, which is considered to be the mechanism responsible for P solubization (Rodriguez et al, 2004). Similar results were confirmed by previous works by (Kpomblekou and Tabatabai, 1994;Nautiyal et al, 2000). In addition to organic acids, other mechanisms such as inorganic acids, chelating agents and mineralization of organic phosphorus may be also responsible for solubilization of phosphate.…”
Section: Phenotypic Characterizationsupporting
confidence: 84%
“…The decrease in pH values clearly indicates the production of organic acids, which is considered to be the mechanism responsible for P solubization (Rodriguez et al, 2004). Similar results were confirmed by previous works by (Kpomblekou and Tabatabai, 1994;Nautiyal et al, 2000). In addition to organic acids, other mechanisms such as inorganic acids, chelating agents and mineralization of organic phosphorus may be also responsible for solubilization of phosphate.…”
Section: Phenotypic Characterizationsupporting
confidence: 84%
“…Phosphate-solubilizing microorganisms, in addition to provide phosphorus for plants, provide growth promoting substances like hormones, vitamins and amino acids. It is reported that mechanism of solubilizing phosphate is associated with release of low molecular weight organic acids which chelate the cation bound to phosphate and convert it into soluble form 16,24,25 . According to our result from phosphate solubilizing ability of studied bacteria on NBRIP medium, almost all of them could solubilize phosphate but in different amount.…”
Section: Discussionmentioning
confidence: 99%
“…40 Devido às propriedades ácida e quelante, esses ácidos são importantes no aumento da disponibilidade de formas insolúveis de nutrientes, como o fósforo, 41 e, dessa forma, auxiliam na aquisição de nutrientes e no crescimento de plantas. Segundo Christ e David, 42 condições de clima quente e úmido favorecem a síntese de ácidos orgânicos no solo e, portanto, exercem efeito direto sobre a atividade microbiana.…”
Section: Resultsunclassified