GK
SOIL AND AGRICULTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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3 %
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13 %
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33 %
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60 %
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Detailed explanation-1: -It is prepared by coating preheated urea granules with molten sulfur. This product contains about 31%–38% N. To reduce the microbial contamination, the wax sealant is sprayed to seal the crack [27–29]. The release of N from sulfur-coated urea depends on the quality of the coating.
Detailed explanation-2: -Urea is prepared by reacting ammonia, sulphur, and carbon monoxide in methanol.
Detailed explanation-3: -Urea is a white crystalline substance with the chemical formula NH2-CO-NH2; it is highly water soluble and contains 46% nitrogen. It is used extensively as chemical fertilizer as well as for industrial uses. Government of India mandated all producers to coat urea with Neem Seed oil and fortify Urea.
Detailed explanation-4: -without significant damage to the coating which could cause excessive nitrogen release and loss of slow release characteristics. Contains 4% sulfur for deep green color. GROUNDCOVER: Broadcast at 4 lbs.