INTERACTION EFFECTS OF DIFFERENT SOURCES OF PHOSPHORUS AND POTASSIUM ON PHOSPHATE AND POTASSIUM SOLUBILIZING BEHAVIOR OF SOME BACTERIAL ISOLATES

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MORADI SHOKUFEH; SARIKHANI MOHAMMAD REZA

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Journal: APPLIED SOIL RESEARCH Year:2017 | Volume:5 | Issue:1 Page(s): 25-34

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Title

INTERACTION EFFECTS OF DIFFERENT SOURCES OF PHOSPHORUS AND POTASSIUM ON PHOSPHATE AND POTASSIUM SOLUBILIZING BEHAVIOR OF SOME BACTERIAL ISOLATES

Author(s)

MORADI SHOKUFEH | SARIKHANI MOHAMMAD REZA | Issue Writer Certificate

Keywords

BIOTITEQ2

MUSCOVITEQ1

PSEUDOMONAS AND TRICALCIUM PHOSPHATEQ1

Abstract

Potassium and phosphorus are essential elements for plant growth, and application of biological methods is one approach to supply them. This study was done, in order to evaluate the effect of soluble source of phosphorus (phosphate sodium) and insoluble (tricalcium phosphate or TCP) on K release from mica minerals (BIOTITE and MUSCOVITE) and also the effect of mica minerals in dissolution of phosphorus from tricalcium phosphate. This test was carried out in the presence of some bacterial isolates belonging to the genus Pseudomonas (S10-3, S14-3, S19-1 and S21-1). It was conducted as a factorial experiment based on completely randomized design with three replications containing two factors including two source of phosphorus and two potassium sources. From overnight cultures of the bacteria (0.5 ml) were added to 30 ml of Aleksandrov medium. After incubation for one week at 26 °C and shaking at 120 rpm, released K in supernatant was measured by using flame photometer and the dissolution of phosphate recorded at 430 nm by spectrophotometer (yellow method). The results showed that K releasing from the BIOTITE was more than MUSCOVITE and bacterial isolates released more potassium (in average 15-48%) in the presence of TCP than sodium phosphate. The isolate S19-1revealedhighest potassium releasing (5.45 mg l-1). The results displayed that there leased potassium from BIOTITE was higher than MUSCOVITE (4.5times). BIOTITE and MUSCOVITE minerals did not significantly affect the phosphate solubilization and the highest phosphate solubilization (488 mg l-1) was obtained by S19-1.Mica minerals did not affect P solubility behavior of isolates but K releasing from mica minerals was increased in the presence of insoluble phosphate (TCP).

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APA: Copy

MORADI, SHOKUFEH, & SARIKHANI, MOHAMMAD REZA. (2017). INTERACTION EFFECTS OF DIFFERENT SOURCES OF PHOSPHORUS AND POTASSIUM ON PHOSPHATE AND POTASSIUM SOLUBILIZING BEHAVIOR OF SOME BACTERIAL ISOLATES. APPLIED SOIL RESEARCH, 5(1), 25-34. SID. https://sid.ir/paper/261848/en

Vancouver: Copy

MORADI SHOKUFEH, SARIKHANI MOHAMMAD REZA. INTERACTION EFFECTS OF DIFFERENT SOURCES OF PHOSPHORUS AND POTASSIUM ON PHOSPHATE AND POTASSIUM SOLUBILIZING BEHAVIOR OF SOME BACTERIAL ISOLATES. APPLIED SOIL RESEARCH[Internet]. 2017;5(1):25-34. Available from: https://sid.ir/paper/261848/en

IEEE: Copy

SHOKUFEH MORADI, and MOHAMMAD REZA SARIKHANI, “INTERACTION EFFECTS OF DIFFERENT SOURCES OF PHOSPHORUS AND POTASSIUM ON PHOSPHATE AND POTASSIUM SOLUBILIZING BEHAVIOR OF SOME BACTERIAL ISOLATES,” APPLIED SOIL RESEARCH, vol. 5, no. 1, pp. 25–34, 2017, [Online]. Available: https://sid.ir/paper/261848/en

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