Leguminosae herbage with deep roots such as alfalfa and sweet clover, leaves the deep soil plenty of root residue, which helps to improve the urease activity and soil fertilily of deep soil.是什么意思_Leguminosae herbage with deep roots such as alfalfa and sweet clover, leaves the deep soil plenty of root residue, which helps to improve the urease activity and soil fertilily of deep soil.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句