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The effect of biostimulators on plants affects an increase in the level of plant resistance to stress factors which normally occurs in plants, while under non-stress conditions it affects better utilization of the genetically conditioned potential. Based on the field experiments conducted in the years 2011-2013 at the Experimental Station in Tomaszkowo, the effect of mineral fertilization and an organic...
In agricultural practice, foliar fertilizers are applied in foliar additional plant feeding. Foliar additional feeding provides plants with nutrients in small doses which are immediately activated and uptaken by the leaves. The work presents the results of a strict field experiment set in 2009-2011 at the Didactic-Experimental Station of the University of Rzeszów in Krasne near Rzeszów. Response of...
Two-factor field experiment was conducted in 2011-2014 and it was designed with split-plot method. The objective of the research was to assess the effect of undersown white clover and common serradella into single-cultivar and three-cultivar mixture of winter rye (Secale cereale L.) on selected physical soil properties. Under normal distribution of precipitation, but in the high annual temperatures,...
Current studies aimed at replacing soya bean meal with other legumes should take into consideration not only protein content and quality, but also the content and quality of oil. The aim of this study was to assess the Polish breeding lines and cultivars of yellow, blue and white lupine, faba bean as well as hairy and common vetch with regard to their raw oil (crude fat) content and fatty acid profile...
The aim of the study was to determine the effects of different proportions of Medicago media Pers. in mixtures with Dactylis glomerata L. on the yield of aboveground biomass, protein yield and relative chlorophyll content in orchard grass leaves. The study was carried out in 2011-2013. A strict field experiment was conducted in the Educational and Research Station of the University of Warmia and Mazury...
A single-factor field experiment was conducted in 2009-2011 on light soil to determine productivity of multi-species mixtures of barley, oat, wheat and triticale. The cereals were grown in 3- and 4-species mixtures. The objective of this study was to determine if these highly diverse cereal mixtures are more productive and yield more stable than pure stand cereals. Mixtures did not differ in grain...
In a field experiment conducted in 2009-2011 on light soil barley, oat, wheat and triticale were grown in 3- and 4-species mixtures and in pure stands. The aim of the study was to assess competition between species in mixtures and to determine yield advantage of mixtures over their components grown in pure stands. Competitive hierarchy observed at full maturity of cereals in 4-species mixture clearly...
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