

Fertiliser Technology - Engineering
Q1: Urea is a __________ fertiliser.A nitrogenous
B potassic
C phosphatic
D none of these
ANS:A - nitrogenous Urea is a nitrogenous fertilizer. Urea is one of the most widely used nitrogen fertilizers in agriculture. It contains a high concentration of nitrogen, making it an essential source of nitrogen for plant growth. When applied to the soil, urea undergoes hydrolysis, breaking down into ammonia and carbon dioxide. The ammonia then reacts with water in the soil to form ammonium ions, which are readily taken up by plant roots and utilized for protein synthesis and other metabolic processes. Therefore, urea is primarily valued for its nitrogen content and its role in providing a vital nutrient for plant growth. The term "nitrogenous" refers to substances or compounds that contain nitrogen or are rich in nitrogen. In the context of fertilizers, "nitrogenous" describes fertilizers that provide nitrogen as the primary nutrient for plant growth. Here's an explanation of why urea is considered a nitrogenous fertilizer:
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