Ammonium is toxic and is converted to organic nitrogen compounds in the root. 銨有毒，在植物根部被轉化為有機含氮化合物。
The hyphal walls of most species of fungi differ from those of plants in being composed of microfibrils of a nitrogenous compound called chitin or a form of fungal cellulose. 很多真菌的菌絲壁與其他植物不同，是由被稱(chēng)做幾丁質(zhì)或菌質(zhì)纖維素含氮化合物構成的微纖維所組成。
carbohydrates and nitrogenous compounds的相關(guān)資料：
