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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),...
Roseroot (Rhodiola rosea L.) is an important medicinal plant with welldocumented adaptogenic activity. The decrease in its natural resources induces to undertake research on the introduction of this species into cultivation. The aim of the present work was to determine the effect of organic and mineral fertilization on increasing the biomass of underground parts of Rh. rosea and the level of biologically...
A three-year-lasting field experiment involved investigation on the effect of nitrogen and boron fertilization: 80, 120, 160 kg N∙ha-1; 80 N + 2 kg B, 120 N + B, 160 N + B kg∙ha-1 on fat and protein yield, as well as energy value of spring rape seeds. The experiment was conducted on brown and grey-brown podsolic soil of slight acidity. The experiment followed a „split-plot” method, with two variables...
At present, chlorine counts as one of the elements which are essential for growth and development of plants because it plays an important role in main physiological processes as well as in plant protection against diseases. In Poland, the problem of chlorine shortage does not appear, therefore there are no studies on its present concentration and accumulation in field crops. However, the content of...
The trifactor experiment was conducted at the Gorzyń Research and Didactic Institute in the years 2002-2004. Its aim was to investigate the influence of foliar fertilization with microelements and seed inoculation on the crop yield and quality of seeds of the leguminous plants. The yield of seeds and the weight of 1000 of them as well as their sowing value and chemical composition depended on the...
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,...
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