Potassium in tropical crop and soils. 1973 : proceedings of the 10th colloquium of the International Potash Institute held in December 1973 in Abidjan/Republic of Ivorycoast

International Potash Institute

Potassium in tropical crop and soils. 1973 : proceedings of the 10th colloquium of the International Potash Institute held in December 1973 in Abidjan/Republic of Ivorycoast - Berne International Potash Institute 1973 - 602 p.; 23cm.
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