CCA Practice Questions - Certified Crop Adviser (International) Exam

What is the primary purpose of a urease inhibitor such as NBPT?

Prevent nitrification of ammonium to nitrate Slow urea hydrolysis; reduce NH3 volatilization Increase phosphorus solubility (incorrect for this management context) Inhibit denitrification in saturated soils

Correct Answer:

Slow urea hydrolysis; reduce NH3 volatilization

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