Agronomy Degree Practice Exam

What is one major benefit of nitrogen fertilizers in agriculture?

1. Improved soil texture

2. Increased plant disease resistance

3. Enhanced plant growth

4. Reduction of soil erosion

The correct answer is: Enhanced plant growth

One major benefit of nitrogen fertilizers in agriculture is their role in enhancing plant growth. Nitrogen is a vital nutrient that is a key component of amino acids, which are the building blocks of proteins. It is also an essential part of chlorophyll, the molecule that plants use in photosynthesis to convert sunlight into energy. By supplying an adequate amount of nitrogen, fertilizers promote vigorous plant growth, leading to improved crop yields and better overall plant health. The introduction of nitrogen fertilizers allows plants to achieve optimal growth rates, increase biomass production, and enhance leaf development. These improvements can significantly increase agricultural productivity, enabling farmers to produce more food to meet the demands of a growing population.