片语
recovery of nutrient element营养物回收
nutrient element concentration营养元素浓度
mobile nutrient element可动性营养元素
mineral nutrient element矿质元素
trace nutrient element fertilizer[肥料]
each nutrient element各营养元素
nutrient element resources养分元素资源
Recruit Nutrient Element补充养分
nutrient element releasing rule养分释放规律