Researches on a New Technology for Urea - calcium - superphosphate Production

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We mane superphosphate by react rock phosphate with sulphuric acid

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Boron zinc superphosphate fertilizer

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Study of fluorine extraction in water extraction of superphosphate

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Test and application of active and porous agent ( APA ) in the production of single superphosphate were introduced .

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Determination of Available Phosphorus in Ordinary Calcium Superphosphate with EDTA One-step Extraction Method

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Analysis of Quality and Consumption in Production of Single Superphosphate

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Determination of water soluble phosphorous and effective phosphorous by extraction of triple superphosphate with ultrasonic cleaner was introduced and effect of extraction factors on the result was studied .

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An analytical study is made on the single superphosphate process system .

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Single application of urea and applied superphosphate and potassium chloride can increase CO2 emissions but increased marginally .

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Urea based compound fertilizers made by spraying molten urea onto single or triple superphosphate granules can prevent hygroscopicity .

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Improvement on the Method of Extracting Available Phosphorus from the Superphosphate

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Application of water-reducing bulking agent in the production of calcium superphosphate

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The technical improving measure for 100kt / a triple superphosphate producing equipment to enlarge capacity

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So I bought a bag of superphosphate bone meal from a flowerer shop in town at Town God 's Temple Street and mixed it into each pot as a substitute for new earth .

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For the fluorine extraction in the water extracting of superphosphate the sieving of the kinds of additive and the extraction conditions is experimented and studied by orthogonal designing method .

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Triple superphosphate Abbreviations : TSP ( TSP ) Quality Standard : HG2219-2224-91 Characters : granular solid slightly acidic look pale or dark colored exhaust .

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Controlling Ammonia Volatilization by Mixing Urea with Humic Acid Fulvic Acid Triple Superphosphate and Muriate of Potash

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Experimental study on production of enriched superphosphate with thickened sludge acid from concentrated WPA

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Quick determination of available phosphorus in calcium superphosphate

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Quick Determination of the Effective Phosphorus in the New Calcium Superphosphate

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For regulation of medium acidity nitro-humic acid and fertilizer grade calcium superphosphate were added to nursery media .

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Di-calcium phosphate calcium superphosphate and precipitate phosphoric fertilizer increased wheat yields by 12.8 17.9 and 11.3 % respectively compared with the control .

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In this paper quick determination of the content of the effective phosphorus in the new calcium superphosphate by means of potentiometric titration has been researched .

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Potassium dihydrogen phosphate was prepared by the reaction of ordinary superphosphate with potassium sulfate and effecting factors were investigated .

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According to soil fertility and soil structure in the loess plateau the experiment of fertilizer amount was carried out with ammonium nitrate and calcium superphosphate .

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Study and application of cleaner production process of single superphosphate

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Features of Phosphate Rock Resources in China and Development of Technology for Production of Enriched Superphosphate

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The water extraction process of iron and aluminum oxides from superphosphate is experimented and studied by orthogonal designing method and the kinds of additive and extraction conditions are sieved .

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It is practically insoluble in water and only very slowly soluble in diluted acids so it is largely converted for fertilizing purposes into superphosphate .

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