Preliminary study on the ability of phosphorus-solubilizing and IAA-secreting of endogenous rhizobia in seeds of different alfalfa varieties是什么意思_Preliminary study on the ability of phosphorus-solubilizing and IAA-secreting of endogenous rhizobia in seeds of different alfalfa varieties在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句