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The effect of CaCl2 and NaCl used as diicing agents on chemical composition of soils and tree leaves of Szczecin urban area were evaluadted during the period from March to May. The excesive accumulation of sodium and calcium found in soils located nearby the streets affected the content of magnesium, potasium, phosphorus. In such soil conditions tree leaves demonstrated the excesive accumulation of...
In field experiments the influence of slurry application on P, K, Ca, and Mg contents in dry matter of Zea mays, potatoes, and sugar beet have been studied. Slurry application caused decreasing of P, Ca, and Mg (exception P in Zea mays and Mg in potatoes) but increasing of K (exception of sugar beets roots) in tested plants. The changs in the ratio of Ca: P, and K: (Ca+Mg) were positive (exception...
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