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In 2011-2013, research was conducted on the fertilizer value of ash from municipal waste combustion used as an alternative source of phosphorus. A field experiment was set up on light soil. The design included 5 fertilization variants of maize, which was cultivated for grain and fertilized with mineral fertilizers and ash (P1, P2, P3): NK, NPK, NK+P1 (P1−21.80 kg P ha-1), NK+P2 (P2−43.60 kg P ha-1),...
The effect of sewage sludge fertilization on nitrogen and sulphur content in maize was assessed in a pot experiment conducted in 2003-2005. The experimental design comprised the following treatments in four replications on three soils: treatment without fertilizer — (0); mineral fertilization — (NPK); farmyard manure — (FYM); sewage sludge A — (SSA); a mixture of sewage sludge A with peat — (MSSA);...
Field experiments were carried out at the Didactic and Experimental Farm in Swadzim (52°26’ N; 16°45’ E) near Poznań in the years 2004-2007. The experiment was carried out in a „split-plot” design with 3 experimental factors and 4 field replications. Two cultivars were studied, 6 doses of nitrogen, one dose of magnesium and the method of fertilizer application were investigated. The content of total...
Field studies were carried out at the Didactic and Experimental Farm in Swadzim near Poznań in the years 2004-2007 (52°26’ N; 16°45’ E). The experiment was carried out in a „split-plot” design with 3 factors in 4 field replications. Two cultivars were studied: Anjou 258 and LG 2244 (stay-green type), six nitrogen doses were used: 0, 30, 60, 90, 120, 150 kg N·ha⁻¹ and doses of magnesium: 0 kg Mg·ha⁻¹,...
Field experiments were conducted in 2005-2007 at the Brody Experimental Station (52°26’ N; 16°17’ E) of the University of Life Sciences in Poznań with the following factors: 1) cultivars with different FAO number: 210, 240 and 260; 2) fertilization with K, Mg and Na: 0 (control), 150 kg K·ha⁻¹, 150 kg K + 16.3 kg Mg·ha⁻¹, 150 kg K + 16.3 kg Mg + 13.5 kg Na·ha⁻¹; 3) Zn application: 0 (control), 1.5...
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