Effect of increasing doses of sodium chloride and sodium sulphate on the yield of dry substance and content of some elements in opium poppy,

M. Spasenoski, V. Jordanovska, Effect of increasing doses of sodium chloride and sodium sulphate on the yield of dry substance and content of some elements in opium poppy, Acta Biologica Medica Experientia, 13, 37–41 (1988).