Influence of nitrogen fertilization on yields and quality of sugar beet roots
2006
Borowczak, F.,Akademia Rolnicza, Poznan (Poland). Katedra Uprawy Roli i Roslin | Grobelny, M. | Kolata, M. | Zielinski, T.,Cukrownia Miejska Gorka S.A., Miejska Gorka (Poland)
In experiments carried out, the first one in 1998-99 and the second one in 2001-02, the influnce of nitrogen fertilization on the yields and quality of sugar beet roots was investigated. It was stated that with increasing of nitrogen doses the quality of roots was worsened by decreasing of sugar content, efficiency of refined sugar, alkalinity coefficient as well as by increasing of the content of N alpha-amino and sodium. The doses 50 and 60 kg N/ha turned out to be the optimum ones for the yields of: roots, biological and refined sugar and economic effects. The dose of 100 kg N/ha, determined as an optimum one according ABO - Bonn programme, gave on soil of very good rye complex simalar production and economic effects to the dose of 60 kg N/ha
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