短語(yǔ)詞組短語(yǔ)basic c nitrogen 堿性氮Volatile basic nitrogen 揮發(fā)性鹽基態(tài)氮;揮發(fā)性鹽基氮soil basic nitrogen supply 基礎(chǔ)供氮量soil basic nitrogen supplying 基礎(chǔ)供氮量basic and tillering nitrogen 氮素基蘗肥basic nitrogen extraction rate 堿氮脫除率soil basic nitrogen 基礎(chǔ)供氮量non basic nitrogen 非堿性氮non -basic nitrogen 非堿性氮 返回 basic nitrogen