Five field expts. with winter, rape winter wheat, spring barley and sugar beet were carried out in 2005-2007 after application of complex N, P, K, Mg and S-contg. fertilizers to det. the accumulation of the fertilizers did not contain N, Mg, K or S, the content of Na was low. The low Cl and Na contents were obsd. when the fertilizer did not contain K (except for barley). An increased content of Cl was found when the fertilizer did not contain S.