amount of irrigation water的用法和樣例：
例句
- Analyze the yield inscape we may know, water at jointing stage can increase spick numbers and No. grain per ear.
各生育階段耗水量變化與水分供應量有關(guān)，階段灌水量大則耗水量高。 - The threat of erosion also is reduced because no water flows on the surface and because tomatoes are given only the amount of water they need.
因為灌溉水不流經(jīng)地表，又因灌水量與番茄的需水量相符，所以土壤流失的危險隨之減少。
