1.

図書
図書
1. Soil and fertilizer phosphorus in crop nutrition
edited by W.H. Pierre and A.G. Norman ; contributors, Z.A. Altschuler ... [et al.]
出版情報: New York : Academic Press, 1953
シリーズ名: Agronomy ; v. 4
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2.

図書
図書
2. Advances in agronomy
prepared in cooperation with the American Society of Agronomy ; edited by A.G. Norman
出版情報: San Diego ; New York : Academic Press, 1949-
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