Foliar fertilization : Proceedings of the First International Symposium on Foliar Fertilizations : organized by Schering Agrochemical Division, Special Fertilizer Group, Berlin (FRG) March 14-16, 1985 edited by, A. Alexander - Dordrecht (The Netherlands) Kluwer Academic Publishers 1986 - 494 p. 24 cm - Developments in plant and soil sciences 22 . - Developments in plant and soil sciences .

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