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1by Ippersiel, DenisSubjects: “...Corn -- Effect of nitrogen fertilizers on....”
Published 1986
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3by Edwards, Linnell Malinston.Subjects: “...Nitrogen fertilizers...”
Published 1969
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6by Rafle, Abdirashid Dulane, 1961-Subjects: “...Nitrogen fertilizers....”
Published 1986
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7by Gardner, Bryant Rogers, 1930-Subjects: “...Nitrogen fertilizers....”
Published 1963
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11by Mancino, Charles F.Subjects: “...Nitrogen fertilizers...”
Published 1983
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13by Lefebvre, Jacques Luc.Subjects: “...Nitrogen fertilizers...”
Published 1972
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14by Bailleul, Stéphane M. (Stéphane Marc)Subjects: “...Nitrogen fertilizers....”
Published 1993
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