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The objective of this study is to evaluate the yield of grains and oil from the crops of the Crambe abyssinica Hochst under nutritional arrangements based on NPK. This experiment was carried out in the city of Cascavel-PR, on a typical dystrophic hapludox, clayey to very clayey texture, with a smooth undulated relief, with average altitude of about 680 m. The treatment consisted of nutritional arrangements based on NPK, which are: NPK; T2:N; T3:P; T4:K; T5:NP; T6:NK; T7:PK; T8: witness (without applying fertilizer). The experimental delimitation used for the experience was not fixed but occasional in which 8 treatments and 3 repetitions were applied. The measurement of the grain production was accomplished over a 1.0 m² area located on the central part of the experimental unities. The oil production itself was accomplished utilizing the Soxhlet method. The statistical data provided was based on the analysis of the variance; the treatment means were compared by Tukey test, on 5% of significance. No nutrients alone or in combination promoted a significant difference for grain yield. For oil yield, the arrangement consisting of NPK promoted significant difference from other treatments except for treatments NK and P.       Key words: Oilseeds, nutrients, energy potential.

Effects of nutritional arrangements of NPK on the yield of grains and Crambe oil cultivation