Which of the following is a benefit of irrigation?

Irrigation plays a crucial role in agriculture by helping maintain sufficient moisture levels for crops. This is essential for plant growth, as water is a key component of photosynthesis and other metabolic processes. When crops receive adequate water through irrigation, they can better absorb nutrients from the soil, leading to healthier plants and potentially higher yields.

This method of providing water becomes particularly important in regions or during times when natural rainfall is insufficient. Moreover, proper irrigation can help mitigate stress on plants during dry periods, thereby ensuring that they reach their full growth potential and produce the expected amount of yield.

By contrast, the other options present aspects that are not benefits. Soil erosion and reduced crop yield do not align with the purpose of irrigation, which is to enhance crop productivity. Additionally, the reliance on crop rotation, which is important for maintaining soil health and preventing plant diseases, is not diminished by irrigation practices. Therefore, maintaining sufficient moisture levels for crops is the clear benefit that emphasizes the positive impact of irrigation in agriculture.