Agricultural Engineering Practice Exam

High irrigation efficiency leads to increased water conservation, which is essential for sustainable agricultural practices. When irrigation systems are efficient, they deliver water directly to the plants with minimal losses due to evaporation, runoff, or deep percolation beyond the root zone. This means that more of the applied water is used effectively by the crops, reducing the overall quantity of water needed for irrigation.

The advantages of increased water conservation include maintaining water resources for future use, promoting healthier ecosystems, and reducing the need for additional water sourcing, which can often be costly and ecologically damaging. Efficient irrigation also helps mitigate the risks of water scarcity, particularly in regions where water is a limited resource.

In contrast, options such as reduced crop diversity, higher soil erosion rates, and lower crop yield do not directly result from high irrigation efficiency. In fact, proper irrigation can support a diverse range of crops by providing them with the precise amount of water they need, thereby enhancing overall agricultural productivity.