Root biomass of winter wheat in 0~30 cm and 0~100 cm soil layers was studied using root core and dig sampling method.是什么意思_Root biomass of winter wheat in 0~30 cm and 0~100 cm soil layers was studied using root core and dig sampling method.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句