Zawartosc magnezu w glebie i w roslinie w zaleznosci od stezenia glinu ruchomego w glebie

The aim presentated investigcations was the determination of the effect of high concentrations of aluminium in the soil on the content of available magnesium in the soil and in cereals plants and formation of K: (Ca + Mg) ratio in four basic growth stages of plants. The apperance of mobile aluminium in the soil in amount more than 40 mg Al kg-1 effected increasing of ralue of K: (Ca + Mg) ratio in barley, wheat and rye.