7.Which of these is NOT used as a nitrogen fertilizer?
(A)Nitrogen-containing rocks from mining
(B) Nitrate produced industrially through the Haber-Bosch process
(C)Animal excrements
(D)Plant residues

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#6366542
Which of these is ...
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#7204022
這是一份關於「氮肥來源」的考題詳解。 ...
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