phosphate rock dissolving

Phosphate-solubilizing bacteria (PSB) have the potential to make insoluble phosphate available to plants through solubilization and mineralization, …

enhancement of applicability of rock phosphate by addition of compost and inoculation with phosphate dissolving bacteria and its effect on quality and productivity of canola plant. The experiment included 3 factors as follows: (1) three rates of rock phosphate i.e. 0 (RP 0), 250 kg ha-1 (RP 1) and 500 kg ha-1 (RP 2

The phosphorus dissolving and growth promoting properties of PSB are summarized. ... Isolation of phosphate solubilizing bacteria from maize rhizosphere and their potential for rock phosphate solubilization-mineralization and plant growth promotion. Geomicrobiol J., 34 (1) (2017), pp. 81-95, 10.1080/01490451.2016.1146373.

Fungi Phosphate dissolution Plant growth promotion Salt stress. 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 …

Fertilization of grasslands with mineral phosphorus (P) fertilizer is a common practice in many regions of the world to maintain productivity, especially on soils with high P retention [1,2,3].In order to reduce the use of scarce phosphate rock (RP), alternative P fertilizers need to be found [4,5].In this context, poultry manure, an abundant organic …

The experment included the study and meki comparision for sample of many species of fungi genes into melting the phosphate rock in the soil and it is action in the growth of the wheat plant by ...

Directly applying unprocessed phosphate rock to soil may provide a valuable source of plant nutrients in specific conditions, but growers must consider several complicating factors and limitations. ... Labs estimate the effectiveness of phosphate rock for direct application by dissolving rock in a solution containing a dilute acid to simulate ...

Lactic acid dissolve carbonate material in low grade phosphate rock, therefore, it improved the P 2 O 5 content. The large polarity of O H bond present in strong organic acids, may not react with pure calcium carbonate. However, in dilute solutions, …

To fill this objective, we screened the capacity of bacteria isolated from 3 soils to solubilize rock phosphate in vitro in presence of NH4+or NO3-. Then, we selected the most efficient bacterial strains to …

Leaching soluble phosphorus from rock phosphate containing pyrites by Acidithiobacillus ferrooxidans (A. f.) is feasible, and the reaction mechanism is as follows. Pyrites are oxidized by A. f. to produce H 2 SO 4 and FeSO 4; the rock phosphate is decomposed by H 2 SO 4, forming soluble phosphorus compounds; and Fe 2+ from …

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. The solubilizing power of fungi was higher than that of bacteria, t …

The use of cheap and abundant resources such as rock phosphate (RP) can be an alternative strategy for P chemical fertilizers, but the solubilization of P of this source has been a challenge for agricultural researchers. ... Zhao, X.R.; Lin, Q.M. A review of phosphate-dissolving microorganisms. Soil Fertil. 2001, 3, 7–11. [Google Scholar ...

Effect of organic acids on phosphate rock solubilization. Figure 1 shows the solubilization efficiency for three phosphate sources on nine organics acids, two inorganic acids and …

It is a major limiting factor for plant growth due to its low availability for root uptake when it presents as rock phosphate. Therefore, it becomes quite common to use chemical fertilizers in ensuring phosphorous requirements to soil. ... Ostwal KP (1972) Influence of phosphate dissolving Bacilli on yield and phosphate uptake of wheat crop ...

Natural phosphate-bearing material, such as rock phosphate (RP), represents a less costly plant fertilization option but is a limiting nutrient in the plant available form (de Medeiros et al. 2019).Therefore, in the manufacturing of conventional phosphorus (P) fertilizer, high-grade RPs are treated with sulfuric acid at an elevated …

Siderophores are small molecules with low molecular weights, and under low iron stress, phosphate-dissolving bacteria produce siderophores that chelate Fe 3+, Al 3+ and Ca 2+ in the soil, ... The Relationship Between Rock Phosphate Solubilization and pH and Organic Acid Production of Microorganisms. J. Microbiol. 2003; 23:5–7. [Google …

As phosphorus (P) bioavailability is limited in arable lands, chemical fertilizers are being used by farmers to increase crop production. Phosphate-solubilizing microorganisms (PSMs) increase the bioavailability of sparingly soluble inorganic and organic soil phosphorus. Therefore, the current study was an effort to evaluate the …

Date 1986 Description. The effect of inoculating soil with phosphate rock dissolving bacteria (PRDB) or sulphur (S) oxidising micro-organisms on shoot dry matter (DM) production and phosphorus (P) uptake of a tomato cultivar (#Lycopersicon esculentum# Mill, Virosa NT2) colonised with the vesicular-arbuscular mycorrhizal (VAM) fungus …

Factors influencing dissolution of phosphate rock and oxidation of elemental sulphur in some New Zealand soils. New Zealand Journal of Agricultural Research, 1987, Vol.3D: …

The basic principle of the biotechnological processing of natural phosphates is the production of organic acids, mainly citric, oxalic, and gluconic acid, that attack and dissolve the phosphates,...

Contribute to dinglei2022/en development by creating an account on GitHub.

One such strategy is the application of phosphate-solubilizing microorganisms which can solubilize insoluble phosphates in soil by different mechanisms like secretion of …

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.

Phosphate rock is the general term of diphosphate minerals that can be used economically, and it is an important non renewable resource. There are many kinds of …

Utilization of phosphate rock as a sole source of phosphorus for uranium biomineralization mediated by Penicillium funiculosum Nan Hu,ac Ke Li,ac Yang Sui,b Dexin Ding, *ac Zhongran Dai,ac Dianxin Li,ac Nieying Wangac and Hui Zhangac In this work, uranium(VI) biomineralization by soluble ortho-phosphate from decomposition of thephosphate rock …

A Review of Phosphate dissolving Microorganisms. Zhao Xiao. Published 2001. Environmental Science, Biology, Agricultural and Food Sciences. Soils and fertilizers. TLDR. It is generally described that the microorganisms may be beneficial to plant growth and their number and community structure in soils and plant rhizosphere is reviewed. …

Earlier the original source of phosphorus (P) fertilizer was bones; as time passes, the supply of P fertilizer will get exhausted. Today, rock phosphate is the only raw material in the form of P fertilizers. There are two types of rock phosphates: igneous and sedimentary; both have the same phosphate mineral, i.e., calcium phosphate of apatite …

The role of rock phosphate solubilizing fungi and vesicular arbuscular mycorrhiza (VAM) in growth of wheat plants fertilized with rock phosphate. World J Microbiol Biotechnol. ... Swaby R, Sperber JI. Phosphate Dissolving Microorganisms in the Rhizosphere of Legume, Nutrition Of Legumes; Proc. Univ. Nottingham 5 Th Easter …

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.

The Solubilization of Rock Phosphate by Organic Acids. November 2006. Phosphorus, Sulfur, and Silicon and the Related Elements Sulfur (11):2541-2554. DOI: Authors: Ralitsa Teodosieva. University ...

A study was undertaken to isolate some fungi exhibiting phosphate-dissolution ability, and to test whether these fungi are capable of increasing the amount of available P in a calcareous soil treated with rock phosphate (RP) or with triple superphosphate (TSP) and its subsequent uptake by sorghum (Sorghum bicolor L. Moench).Penicillium sp. and …

Abstract. Lactic acid was used to investigate the selective leaching kinetics of calcareous phosphate rock. The influence of acid concentration, liquid/solid ratio, particle size and temperature was studied in order to expound the dissolution kinetics of calcareous material in the rock. It was found that the leaching rate of calcareous material ...

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 basic principle of the biotechnological processing of natural phosphates is the production of organic acids, mainly citric, oxalic, and gluconic acid, that attack and …

The phosphate-bearing phase in phosphate rock readily dissolves in molten CaCl 2. •. Pre-electrolysis improves the purity of the P 4 product and the current …

Several yeasts, fungi and bacteria isolated from the rhizosphere of leguminous crops and soils of rock phosphate deposit area were found to solubilize low-grade Mussorie rock phosphate. Of the several yeasts and fungi,Schawanniomyces occidentalis, Aspergillus awamori andPenicillium digitatum were better than others in rock phosphate …