Development of DRIS norms for potato in the calcareous soils of iranFootnote¹

This research was performed as a part of requirements for M.Sc. Thesis, presented to the Department of Soil Science, Tarbiat Modarres University, 1992.

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• This research was performed as a part of requirements for M.Sc. Thesis, presented to the Department of Soil Science, Tarbiat Modarres University, 1992.
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• Instructor, Agriculture Educational Center, Karaj, and Associate Professor, Soil Science Department, Tarbiat Modarres University, Tehran, Iran, respectively.
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