What is the primary purpose of irrigation in agriculture?

The primary purpose of irrigation in agriculture is to supply water for crop production. Water is a vital resource for plant growth, and adequate irrigation ensures that crops receive the necessary moisture for germination, growth, and yields. The correct answer reflects the fundamental role irrigation plays in providing water, especially in areas where rainfall is insufficient or irregular.

While enhancing soil nutrients, preventing soil erosion, and managing pest populations are important aspects of agricultural practices, they do not address the primary function of irrigation. Nutrient supply may come from fertilizers and organic matter rather than water directly, and erosion control usually involves practices such as crop rotation or cover cropping rather than irrigation. Pest management is also a separate agronomic practice that focuses on controlling pest populations through various means, including chemical or biological methods. Therefore, supplying water for crop production remains the central purpose of irrigation.