An example for nitrogenous fertilizer is _________.
A
super phosphate
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B
urea
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C
potassium sulphate
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D
potassium chloride
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Solution
The correct option is D urea Examples of nitrogenous fertilizers:-
1) Nitrate fertilizers
2) Ammonium fertilizers
3) Nitrate and ammonium fertilizers
4) Amide fertilizers
(i)Urea- It is slightly acidic in nature. Urea application to soil creates a small loss of calcium from the soil. Urea is highly concentrated nitrogenous fertilizer containing 46% nitrogen.
(ii)Calcium Cyanamide- It is non-leachable, synthetic organic fertilizer. Its basicity (alkalinity) is three times as high as that of sodium nitrate and advisable for use on acid soils.