Mostafa Armandeh

18 Questions 41 Answers 0 Followers

Questions related from Mostafa Armandeh

What affects the phosphatase enzyme in soil?

We are inoculated PSB in soil in laboratory conditions and determined several parameters such as soluble phosphate, phosphatase enzyme, organic P, Ca-P. I was measuring phosphatase enzyme activity...

07 July 2018 1,043 2 View

Why we use Ca3PO4 in alekxandrov medium as soures of phosphate?

We use alekxandrov medium for isolation of potasium solubilizing bacteria by use of isoluble k minerals (mica, feldspat etc).but why we add Ca3PO4 as phosphate source.Ca3PO4 is sparingly insoluble...

05 May 2018 763 19 View

What is differences between alkaline phosphatase and acidic phosphatse ?

differences between alkaline phosphatase and acidic phosphates

04 April 2018 3,416 12 View

What is corelation between Ec changes in soil that inoculated with Phosphate solubilizing bacteria?

EC and PSB inoculation

04 April 2018 8,211 3 View

Potassium exists in several forms in the soil, including mineral K, non-exchangeable K, exchangeable K, So what is the differnces between these forms?

Potassium exists in several forms in the soil, including mineral K, non-exchangeable K, exchangeable K, and dissolved or solution K (K+ ions).

03 March 2018 7,909 14 View

What is best best method to measuring phytase enzyme in soil?

What is the best protocole to measuring phytase enzyme in soil with high organic matter?

01 January 2018 7,287 5 View

What is the method for determining phosphatase activity of bacteria in solid culture medium?

phosphatase activity of bacteria in solid culture medium (qualitatively)

01 January 2018 1,523 4 View

What is the best method to measuring soluble phosphate in NBRIP medium with pH about 4?

Best protocol to measuring soluble phosphate in NBRIP broth medium

12 December 2017 5,774 4 View

I was sterilized soil for examing the effect of phosphate solubilizing bacteria to release P from internal P storage.but i have seen 10cfu none PSB?

What is the effect of them on my experiment? Has they major effect? (In experimental model) Gama sterilization had done

11 November 2017 9,467 7 View

Is it good to test sensitivity of phosphate solubilizing bacteria to soluble phosphate in medium for choosing best PSB?

selection of suitable PSB for practical applications

11 November 2017 4,421 0 View

What are the best ways to transfer a soil sample to lab for bacterial count?

explain about best transferring a soil sample to lab, with below goals: bacterial plate count total E.coli count

08 August 2017 422 12 View

What is the meaning of " Gram-reaction-negative" bacteria ?

Gram-reaction-negative

08 August 2017 9,271 7 View

Is it possible that soluble phosphate bonds with organic acids in NBRIP broth medium?

bacterial strains excretes organic acids for solubilization insoluble phosphates. Is it possible that this organic acids bond with soluble phosphate and unavailable soluble phosphate from plant root?

08 August 2017 4,269 8 View

What is the ecological risk of adding microorganism as biofertilizers to farms for natural ecosystems?

Ecological risk of biofertilizers

07 July 2017 6,498 35 View

What is the best way for sterilization of soil that have Lesser effect on soil properties?

soil sterilization....

07 July 2017 2,934 7 View

Why we explain the phosphate of chemical phosphate fertilizers with P2O5?

Explain about differences between P2O5 and HPO4?

07 July 2017 6,508 33 View

What is the differences between "Two Same bacteria" isolated from different regions?

I isolated two bacteria from different regions, but both are same genus and Species? what is the differences between them? in case of genetic composition.... or any differences

07 July 2017 7,674 16 View

What is the best population of phosphate solubilizing bacteria in soil to release phosphate ?

I am going to use my phosphate solubilizing bacteria as biofertilizer , how much should i add of my biofertilizer to soil ? (my biofertilizer population are Ten to power eight per ml )

06 June 2017 1,649 33 View