Which practice can help reduce water usage in agriculture?

Implementing efficient irrigation technologies is a key practice to reduce water usage in agriculture. This approach encompasses various methods and systems designed to apply water more precisely and effectively to crops. Techniques such as drip irrigation and sprinkler systems can minimize water wastage by delivering water directly to the plant roots or through targeted areas, significantly enhancing the efficiency of water use compared to traditional methods.

In contrast, other practices, while they may have their benefits in terms of yields or crop diversity, do not specifically address the reduction of water usage. For instance, using more fertilizers can lead to greater nutrient runoff and does not impact water usage directly. Incorporating more crop types doesn't inherently reduce water needs, as some crops may require more water depending on their specific growth requirements. Similarly, extending planting seasons could potentially increase the overall water demand if crops are cultivated outside their optimal climatic conditions. Thus, the focus on efficient irrigation technologies stands out as a direct method to conserve water in agricultural practices.