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Title: By definition, inorganic fertilizers do not contain ________. Post by: mbhound on Jan 22, 2018 By definition, inorganic fertilizers do not contain ________.
A) either nitrogen or phosphorus B) phosphorus C) nitrogen D) carbon Title: By definition, inorganic fertilizers do not contain ________. Post by: jajikim on Jan 22, 2018 Content hidden
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