Dissolution of phosphate rock in the rhizosphere of five ...

1997-2-1  ELSEVIER Geoderma 75 (1997) 231-249 GEODER~ Dissolution of phosphate rock in the rhizosphere of five plant species grown in an acid, P-fixing mineral substrate Philippe Hinsinger *, R.J. Gilkes Soil Science and Plant Nutrition, Faculty of Agriculture, UniversiO" of Western Australia, Nedlands, WA 6009, Australia Received 3 April 1996; accepted 4 November 1996 Abstract The dissolution of ...

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Electron microscopy of some rock phosphate dissolving ...

BacteriaPseudomonas striata, Bacillus polymyxa, B. megaterium andB. pulvifaciens, and fungiAspergillus awamori, A. niger andPenicillium digitatum dissolve tricalcium phosphate and, much less, Mussorie and Udaipur rock phosphate. The solubilizing power of fungi was higher than that of bacteria, the highest being withA. awamori andA. niger, and withP. striata. Electron microscopy of the various ...

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Factors influencing dissolution of phosphate rock and ...

2018-6-11  influencing dissolution of phosphate rock have been outlined by Khasawneh Doll (1978). PR was more soluble in acid soils, in soils with low amounts of calcium (Ca) and/or phosphate ions in soil solution, and in soils which could remove Ca and/or phosphate ions from soil solutions. In New

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Capacity of some bacteria and fungi in dissolving ...

2001-1-1  Capacity of some bacteria and fungi in dissolving phosphate rock. Lin Qimei, Wang Hua, Zhao Xiaorong, Zhao Zijuan. Author information. Affiliations. All authors. 1. Department of Soil & Water Sciences,China Agricultural University.Beijing 100094;China Wei Sheng wu xue Tong bao, 01 Jan ...

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Isolation of Six Phosphate Dissolving Rhizosphere

2017-1-24  capable of dissolving rock phosphate from organic acid secretions to put P at the disposal of plant [10-13]. These microorganisms responsible for this dissolution include some bacteria, such as Bacillus megaterium, B. subtilis, B. polymyxa, Pseudomonas striata, and some fungi including Aspergillus awamori, Penicillium

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(PDF) Factors influencing dissolution of phosphate rock ...

PDF Forty-eight Waikato soils representing six major New Zealand soil groups (yellow-brown earths, yellow-brown loams, yellow-brown pumice soils,... Find, read and cite all the research you ...

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Phosphate dissolving fungi: Mechanism and application in ...

2016-12-1  The use of microorganism for organic P recycling is the less explored area. Ideally, for developing microphos inoculants, phosphate dissolving microorganisms should be screened for solubilization of different inorganic P sources (Bashan et al., 2013) and mineralization of organic P

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Phosphate dissolving fungi: Mechanism and application in ...

The present investigation reveals the solubilization efficiency of tri-calcium phosphate (TCP), Udaipur rock phosphate (URP), aluminium phosphate (AP) and ferric phosphate (FP) by Aspergillus niger (ITCC 6719) and Trichoderma harzianum (ITCC 6721) as function of carbon concentrations. Increasing glu Phosphate dissolving fungi: Mechanism and ...

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(PDF) ROCK PHOSPHATE: ITS AVAILABILITY AND

Four types of rock phosphate minerals are: Carbonate apatite [3Ca3 (PO4)2.CaCO3], Fluoro apatite [3Ca3 (PO4)2.CaF2], Hydroxy apatite [3Ca3 (PO4)2.Ca (OH)2], Sulpho apatite

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Phosphate Rock Mosaic Crop Nutrition

When phosphate rock is added to soil, it slowly dissolves to gradually release nutrients, but the rate of dissolution may be too slow to support healthy plant growth in some soils. To optimize the effectiveness of phosphate rock, consider these factors: Soil pH. phosphate rock

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Identification and Characterization of the Phosphate ...

Furthermore, the P-solubilization efficiency of S32 in media containing CaHPO4, lecithin, phosphate rock (PR), FePO4, or AlPO4 was determined to be 18.38, 3.07, 0.16, 0.51, or 2.62%, respectively. In addition, the acid and alkali phosphatase activities of S32 were

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Dissolution of phosphate rock in the rhizosphere of five ...

1997-2-1  ELSEVIER Geoderma 75 (1997) 231-249 GEODER~ Dissolution of phosphate rock in the rhizosphere of five plant species grown in an acid, P-fixing mineral substrate Philippe Hinsinger *, R.J. Gilkes Soil Science and Plant Nutrition, Faculty of Agriculture, UniversiO" of Western Australia, Nedlands, WA 6009, Australia Received 3 April 1996; accepted 4 November 1996 Abstract The dissolution of ...

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Utilization of phosphate rock as a sole source of ...

Dissolving phosphorus experiment. 200 mL modified Pikovskaya's broth (consisting of 10 g glucose, 0.5 g KNO 3, 0.3 g NaCl, 0.3 g MgSO 4 7H 2 O, 0.03 g FeSO 4, 0.03 g MnSO 4 H 2 O, 0.3 g KCl, and 5 g phosphate rock powder 28,29) was added to 500 mL conical flask, and the pH value was adjusted to 6 with saturated Na 2 CO 3 solution and 1 mol L −1 HCl solution. . The broth was sterilized at ...

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Phosphate dissolving fungi: Mechanism and application in ...

2016-12-1  The present investigation reveals the solubilization efficiency of tri-calcium phosphate (TCP), Udaipur rock phosphate (URP), aluminium phosphate (AP) and ferric phosphate (FP) by Aspergillus niger (ITCC 6719) and Trichoderma harzianum (ITCC 6721) as function of carbon concentrations. Increasing glucose concentration from 1 to 7% in the growth medium, though improved the phosphorus (P ...

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In vitro selection of rock phosphate solubility by ...

The effectiveness of using of phosphate fertilizer is very low only about 15% - 20% [5] and 10 – 25% [6]. Rock phosphate (RP) as a source of P is not expensive, but the availability of P is low. Solubility of RP can be increased by phosphate solubilizing microorganism (PSM). Increasing RP solubility by microorganism is due to the

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Phosphate dissolving fungi: Mechanism and application in ...

The present investigation reveals the solubilization efficiency of tri-calcium phosphate (TCP), Udaipur rock phosphate (URP), aluminium phosphate (AP) and ferric phosphate (FP) by Aspergillus niger (ITCC 6719) and Trichoderma harzianum (ITCC 6721) as function of carbon concentrations. Increasing glu Phosphate dissolving fungi: Mechanism and ...

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(PDF) In vitro DISSOLUTION OF ACIDULATED ROCK

A biotechnological alternative for to handle this problem is to use soil microorganisms capable of dissolving (PDF) In vitro DISSOLUTION OF ACIDULATED ROCK PHOSPHATE BY PHOSPHATE SOLUBILIZING MICROORGANISMS Acta Biológica Colombiana and Angela Patricia Moreno Quevedo

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Electron microscopy of some rock phosphate dissolving ...

2010-6-8  Electron microscopy of some rock phosphate dissolving bacteria and fungi. Gaur AC, Arora D, Prakash N. Bacteria Pseudomonas striata, Bacillus polymyxa, B. megaterium and B. pulvifaciens, and fungi Aspergillus awamori, A. niger and Penicillium digitatum dissolve tricalcium phosphate and, much less, Mussorie and Udaipur rock phosphate.

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Capacity of some bacteria and fungi in dissolving ...

2001-1-1  Capacity of some bacteria and fungi in dissolving phosphate rock. Lin Qimei, Wang Hua, Zhao Xiaorong, Zhao Zijuan. Author information. Affiliations. All authors. 1. Department of Soil & Water Sciences,China Agricultural University.Beijing 100094;China Wei Sheng wu xue Tong bao, 01 Jan ...

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A STUDY OF SOIL BACTERIA DISSOLVING CERTAIN

None of the isolates showed dissolving ability on agar media containing gafsa rock phosphate, variscite, strengite or taranakite. However, when an analytical method was used, 82% of the isolates tested proved able to release phosphate from gafsa rock phosphate, though to a much lesser extent than from dicalcium phosphate.

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Factors influencing dissolution of phosphate rock and ...

2018-6-11  influencing dissolution of phosphate rock have been outlined by Khasawneh Doll (1978). PR was more soluble in acid soils, in soils with low amounts of calcium (Ca) and/or phosphate ions in soil solution, and in soils which could remove Ca and/or phosphate ions from soil solutions. In New

Get Price

Electron microscopy of some rock phosphate dissolving ...

BacteriaPseudomonas striata, Bacillus polymyxa, B. megaterium andB. pulvifaciens, and fungiAspergillus awamori, A. niger andPenicillium digitatum dissolve tricalcium phosphate and, much less, Mussorie and Udaipur rock phosphate. The solubilizing power of fungi was higher than that of bacteria, the highest being withA. awamori andA. niger, and withP. striata. Electron microscopy of the various ...

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(PDF) In vitro dissolution of acidulated rock phosphate by ...

A biotechnological alternative for to handle this problem is to use soil microorganisms capable of dissolving rock phosphate (RP), thus improving its effectiveness as a P fertilizer. This study ...

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Isolation of Six Phosphate Dissolving Rhizosphere

2017-1-24  capable of dissolving rock phosphate from organic acid secretions to put P at the disposal of plant [10-13]. These microorganisms responsible for this dissolution include some bacteria, such as Bacillus megaterium, B. subtilis, B. polymyxa, Pseudomonas striata, and some fungi including Aspergillus awamori, Penicillium

Get Price

(PDF) Factors influencing dissolution of phosphate rock ...

PDF Forty-eight Waikato soils representing six major New Zealand soil groups (yellow-brown earths, yellow-brown loams, yellow-brown pumice soils,... Find, read and cite all the research you ...

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(PDF) Characterization of six phosphate-dissolving ...

dissolving phosphate rock and producing plant growth substances. Six bacteria were isolated a nd found to have the capacity to dissolve /solubilize the Tilemsi phosphate rock (TPR) by producing low

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Phosphate dissolving fungi: Mechanism and application in ...

The present investigation reveals the solubilization efficiency of tri-calcium phosphate (TCP), Udaipur rock phosphate (URP), aluminium phosphate (AP) and ferric phosphate (FP) by Aspergillus niger (ITCC 6719) and Trichoderma harzianum (ITCC 6721) as function of carbon concentrations. Increasing glu Phosphate dissolving fungi: Mechanism and ...

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Isolation and screening of microorganisms dissolving low ...

Of the several yeasts and fungi,Schawanniomyces occidentalis, Aspergillus awamori andPenicillium digitatum were better than others in rock phosphate solubilization. Among bacterial isolates from soils of rock phosphate deposits, Gram-negative motile rods were more effective than Gram-negative non-motile rods in dissolving rock phoshates.

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Phosphate Rock Mosaic Crop Nutrition

Phosphate Rock. Worldwide, most soils and crops require phosphorus (P) additions to improve fertility and production. Directly applying unprocessed phosphate rock to soil may provide a valuable source of plant nutrients in specific conditions, but growers must

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Role of Phosphate Solubilizing Fungi and Microbes for ...

2017-10-9  Solubilization of rock phosphate has dissolving insoluble P. The solubilization of inorganic 'P' by been found to depend on the physical and chemical nature of microbial communities including fungi is though common the rock phosphate and on the type of microbes used (Gaur, under in vitro conditions, the performance of phosphate-1990).

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