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2by Nichol, A. A.Subjects: “...Agriculture -- Arizona...”
Published 1937
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5by Kelly, Kathleen, 1942-Subjects: “...Information storage and retrieval systems -- Agriculture....”
Published 1982
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19by North, April Kiers“... is susceptible to nutrient inputs from the surrounding agricultural land, especially in areas where nitrogen...”
Published 2007
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20by Mikel, Terry“... of vegetables. To appreciate the reasons for its culture, this publication discusses the history, botany...”
Published 1999
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