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In the years 2015-2016 in Sahryń (50°41′ N, 23°47’ E) a field experiment, with the aim of assessing profitability of foliar nutrition of sugar beet with silicon, was carried out. The following products containing silicon were used in the experiment: Actisil, Herbagreen Z20 and Optysil. Each of them was applied once, twice and thrice. For each combination, the gross production value, the costs of foliar...
The aim of this study was to evaluate, in 3 experiments, seedling emergence and sensitivity to temporary soil water deficit in 24 sugar beet cultivars. Seeds were sown in 2012 and 2013 in containers (60x40x15 cm) filled with a soil classified as Luvisol (with 65% field water capacity) and placed in an phytotron. For 2 weeks, until the first counting of seedlings, the temperature was maintained at...
The work summarizes changes, which involved the sugar and sugar beet production in Turkey and in Poland, in the years 1995-2014. Sugar beet area in Turkey has decreased by 7% and in Poland by 48%. Harvest has increased by 51% in Turkey and has remained unchanged in Poland. Sugar beet yield has increased: in Turkey by 63% and in Poland by 97%. 71% farmers have stopped cropping sugar beet, while in...
The aim of the present research were histological analysis of regenerating structures through in vitro gynogenesis from unfertilized ovules of sugar beet (Beta vulgaris L.). The process of shoot regeneration using a novel two stage method combines the preculture in liquid medium with the culture on solid medium. The highest number of explants that formed shoots (60%) was observed on medium supplemented...
The aim of this study was to assess the influence of mineral NPK, Mg and micronutrient fertilisation on the content of macroelements and root yield of a sugar beet cultivar called Khazar. The effects of three fertilisation levels were assessed. Additionally, the highest NPK dose was analysed in treatments with NPK + Mg and micronutrients (B, Cu, Zn, Mn). The increasing level of NPK fertilisation as...
The article attempts to determine the methodological assumptions for further research on the effectiveness of changes in the organization and logistics of supplies in sugar factories. For this purpose, data were collected on historical ways of organizing transport of sugar beets to various sugar factories. Preliminary analysis of the data shows that the direction of development of the organization...
The aim of this study was to evaluate the effect of pre-sowing seeds treatments on some agro-physiological parameters of sugar beets. The selected seeds treatments were: laser stimulation, hydropriming and combination of hydropriming and laser radiation. The impact of the seeds stimulation was analysed by determining the acid phosphatase activity, concentration of phosphate and photosynthetic pigments...
In this study, foliar sprays of Fenton solutions (Fenton reaction, Fenton-like reaction and Fenton complex), titanium dioxide (TiO2) and the recommended fungicide (chlorothalonil) were estimated in the control of sugar beet leaf spot caused by Cercospora beticola under field conditions in two growing seasons. In addition, the impacts of these treatments on some crop characters (leaf dry weight, root...
From 2008 to 2010 the levels of sugar beet seedlings infection caused by Rhizoctonia solani were compared in laboratory tests. Seven sugar beet lines were tested: H56, H66, S2, S3, S4, S5 and S6 as well as three control cultivars: Carlos, Esperanza and Janosik. Sugar beet lines with tolerance to rhizoctoniosis and cultivars without tolerance were infected artificially by R. solani isolates: R1, R28a...
The work contains a comparison of the changes at the sugar market in Hungary and in Poland in the years 1995-2014. Sugar beet crop area in Hungary has decreased by 87% and in Poland by 48%, while beet root harvest dropped by 25% in Hungary, but remained unchanged in Poland. Sugar beet production was abandoned – either by choice or necessity – by 62% of farmers in Hungary (in the years 2000-2014) and...
High yields with low costs require that sugar beets be kept free of weeds, during critical periods, using labor or chemical treatments. Since the critical periods for this crop in Castilla – La Mancha (Spain) are unknown, the first goal of this study was to determine the effect of early and late competition on yield. The second goal was to determine the critical periods, while taking into consideration...
In the article determination of the commodity policy concept is considered. The main task of the article is to present all necessary terms of commodity policy and its determinants. As well the basic problems about creating of the companies of sugarbeet subcomplex has been outlined. Expandable of assortment of sugar plants is considered, including production of bagasse, molasses and biofuel.
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