Nutrient‐solution techniques for evaluation of iron efficiency of soybeanFootnote¹
Journal Paper No. J‐12991 of the Iowa Agric. and Home Econ. Exp. Stn., Ames, IA, Project 2475. The research was supported in part by a grant from the Iowa Soybean Promotion Board.

M. B. Dragonuk Department of Agronomy, Iowa State University, Ames, IA, 50011, U.S.A.

W. R. Fehr Department of Agronomy, Iowa State University, Ames, IA, 50011, U.S.A.

H. J. Jessen Department of Agronomy, Iowa State University, Ames, IA, 50011, U.S.A.

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Journal Paper No. J‐12991 of the Iowa Agric. and Home Econ. Exp. Stn., Ames, IA, Project 2475. The research was supported in part by a grant from the Iowa Soybean Promotion Board.
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Nutrient‐solution techniques for evaluation of iron efficiency of soybeanFootnote¹
Journal Paper No. J‐12991 of the Iowa Agric. and Home Econ. Exp. Stn., Ames, IA, Project 2475. The research was supported in part by a grant from the Iowa Soybean Promotion Board.

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Nutrient‐solution techniques for evaluation of iron efficiency of soybeanFootnote1Journal Paper No. J‐12991 of the Iowa Agric. and Home Econ. Exp. Stn., Ames, IA, Project 2475. The research was supported in part by a grant from the Iowa Soybean Promotion Board.

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Nutrient‐solution techniques for evaluation of iron efficiency of soybeanFootnote¹
Journal Paper No. J‐12991 of the Iowa Agric. and Home Econ. Exp. Stn., Ames, IA, Project 2475. The research was supported in part by a grant from the Iowa Soybean Promotion Board.