subsurface irrigation

例句：

1. 1. Subsurface irrigation is a method of watering plants that allows the roots to remain in contact with the soil.
   表层灌溉是一种让植物根部与土壤保持接触的浇水方法。
2. 2. In subsurface irrigation, water is applied directly beneath the root zone, which helps to improve soil structure and fertility.
   在表层灌溉中，水直接施加在根区下方，有助于改善土壤结构并提高肥力。
3. 3. The use of subsurface irrigation has become increasingly popular in agricultural fields due to its ability to reduce water loss andincrease crop yields.
   由于其减少水分损失和增加作物产量的能力，表层灌溉在农业领域越来越受欢迎。