OPŁACALNOŚĆ UPRAWY RZEPAKU OZIMEGO W TECHNOLOGII STANDARDOWEJ I WYSOKONAKŁADOWEJ W WARUNKACH WOJEWÓDZTWA KUJAWSKO-POMORSKIEGO

Field studies carried out on a farm in Grocholin in 2013-2015, on ten cultivars of winter oilseed rape in standard and high-input technology. Six of tested cultivars showed larger direct surplus after applying the high-input technology (Kadore, Adriana, Poznaniak, Monolit, Rohan, Müller 24) about 5% higher compared to the standard technology. Among the population varieties the highest profitability in high-input technology was recorded for Kadore (13% increase), while among the hybrid varieties this technology proved to be the most profitable for Poznaniak.