irrigation demand meaning in English

灌溉需水量

Analysis of irrigation demands and evapotranspiration in the piedmont of taihang mountain
太行山山前平原区蒸散量和作物灌溉需水量的分析
According to the optimal irrigation scheduling , the irrigation demand hydrographic in four representative years of huimin and wudi are computed
在灌溉制度模拟优化的基础上，推求出代表年惠民、无棣推至田间的基本灌溉需水量和需水过程。