FFA Agronomy CDE Practice Exam 2025 – Complete Prep Guide

Question: 1 / 400

What is the guaranteed analysis value for urea?

18-46-0

46-0-0

Urea has a guaranteed analysis value of 46-0-0, meaning it contains 46% nitrogen, with no phosphorous or potassium. This high nitrogen content makes urea an effective nitrogen fertilizer, widely used in agriculture for various crops to support growth and improve yield. The nitrogen in urea is vital for the synthesis of amino acids, which are the building blocks of proteins, essential for plant growth and development.

The analysis breakdown shows that urea is purely a nitrogen source, indicated by the "0-0" for phosphorous and potassium, which sets it apart from other fertilizers that may provide a mix of nutrients. Understanding this breakdown helps farmers and agronomists select the right fertilizer for their specific soil and crop needs, ensuring that they provide the correct nutrient balance for optimal plant health and productivity.

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0-46-10

10-20-30

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