灌溉原则 meaning in English
irrigation principle
Examples
- 3 ) the moisture changing processes at various location of a slope purple soil are obvious different : at up - location , soil moisture reduce more rapidly , therefore , drought will easily response to it at which the principle of often and little irrigation should be adopted
3 )同一块紫色土坡耕地内,土壤水分的时空变化有较明显的差异。地块上部,耕层土壤含水量递减较快,因此,表现出较易受旱的情况,应采取少量多次的灌溉原则。