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The investigations were carried out under static fertilizer experiment conditions on a montane meadow. Unilateral fertilization with ammonium nitrate (N₁) and superphosphate (P) was applied. The effect of ammonium nitrate and urea in two doses 90 (N₁) and 180 (N₂) kg/ha was compared on the background of identical PK doses. After 18 years of fertilization there was a big increase in potential acidification...
Dynamic sorption, washing out, and desorption by Mg2+ cation of Cd2+, Cu2+ cations were investigated in 3 kinds of Polish mineral soils. The highest sorption properties under these circumstances were observed in loamy solil. Processes of desorption of heavy metal cations in dynamic conditions were caused differentatiated desorption under the influence of Mg2+ cation.
W 3-letnim doświadczeniu polowym badano działanie wzrastającego nawożenia potasowego na tle czterech poziomów azotu i fosforu na zawartość podstawowych makro- i mikroskładników w bulwach ziemniaka odmiany Sokół. Zawartość potasu ulegała sukcesywnemu zwiększaniu, podczas gdy wapnia i magnezu malała. Koncentracja sodu w roślinach na niższych dawkach potasu wykazywała tendencję malejącą, natomiast w...
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