Mineralna ishrana biljaka u funkciji stabilne proizvodnje šećerne repe / Mineral nutrition plants in function of stabile sugar beet production
2015
Đulaković, Vladan (Visoka tehnička škola strukovnih studija, Požarevac (Srbija)) | Glamočlija, Nikola (Rareks Co, Zemun (Srbija)) | Filipović, Vladimir (Institut za proučavanje lekovitog bilja Dr Josif Pančić, Beograd (Srbija)) | Ugrenović, Vladan (Institute Tamiš, Pančevo (Serbia))
The study presents results of a three year research on sugar beet yield and technological value of root in the conditions of increased mineral fertilizers. Research was carried out on chernozem in the climatic conditions of South Banat. Subject of studies were four varieties (Chiara, Irina, Laetitia and Severina) and ten variants mineral nutrition of plants with different amounts and ratios of NPK fertilizers. The results are shown root traits that have the most important role in the creation of yield (average root weight, digestion, root yield and crystal sugar yield). The results obtained were compared by years of research. The variation caused by changing weather conditions, are determined by the coeffi cient of variation. The study results showed that proper mineral nutrition of plants and variety characteristics signifi cantly affect the stability productive traits of sugar beet. The yield of crystal sugar in the overall average was the highest in the variant with 50 kg ha-1 of nitrogen, phosphorus and potassium. Variety Chiara had the biggest roots and the highest root yield, but the slightest digestion. The best production results were obtained variety Severina. This variety had the smallest roots, but had the largest digestion. Therefore, the biggest crystal sugar yield was achieved by Severina variety and the lowest coeffi cient of variation according to years of investigation.
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