Chemical Engineering :: Fertiliser Technology
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Which of the following does not come under the category of'primary nutrient' for plant growth?
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Effectiveness of a fertiliser is independent of the
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Which nutrient in fertiliser makes the plant stems stronger and increases branching ?
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Optimum reaction temperature in steam reforming of naphtha is __________ °C.
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Which of the following is a natural inorganic fertiliser ?
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Yield of elemental phosphorous from rock phosphate is about __________ percent.
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Conversion achieved in HNO3 synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by
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Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is
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Pick out the wrong statement.
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Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3
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A.
Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence the plant roots penetrate with difficulty.
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B.
Large excess use of nitrogenous fertiliser in land causes the problem of diarrhoea and cyanosis.
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C.
Application of large excess of potassic fertiliser in soil increases the valuable carotene in fruits and vegetables.
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D.
Cereal crops grown on alkaline soil absorb higher amount of flourides thereby spreading flourosis.
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