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Practice mode Soil Science

What is the percentage of calcium in single superphosphate?

Correct answer C. 19.5%

Explanation

Single superphosphate is a mixture of monocalcium phosphate and gypsum and contains roughly 19.5% calcium along with 16 to 20% P2O5 and about 12% sulphur.

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Question 02 Soil Science

What is the effect of applying P2O5 fertiliser to a leguminous green manure crop on phosphorus availability for the following crop?

Correct answer D. It does not affect the availability of phosphorous to succeeding crop

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