問題詳情
12. What is the main cause of magnesiun deficiency in plants?
(A) Not enough magnesium in the soil
(B) High soil pH causing precipitation
(C) Competition with other ions, and protons at acidic pH
(D) Low bioavailability
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增