04. Formation of productivity of seeds of winter rape in short crop rotations depending on precursors and different fertilizer systems in zone of Ukrainian Polisya

Rudyk R. I., Dyshliuk V. Je., Kochyk G. M., Vlasenko O. O.
Pages: 20-24.

Full article: 
Abstract
Goal. Improvement of agrotechnology of winter rape cultivation due to balanced fertilization, selection of the most productive precursors in adaptive short-rotation crop rotations. Methods. Field, laboratory, statistical. Results The application of technology, which involves the application of nitrogen fertilizer rape in a dose of N80P60K80, ensures a significant increase in the yield of the crop, depending on the precursors, at 0.84 - 1.07 t / ha (68.6 - 69.5%) compared to unchecked control. It has been established that the highest seed yield (2.94-3.04 t / ha) of winter rape forms under favorable conditions when placed in short-rotation crop rotations after corn on silo or clover rayon against the background of mineral fertilizer application at a dose of N40P60K80 under pre-planting of soil and N40 in early spring supplementation. Conclusions Measures are being taken to increase the winter crop rotational quality for growing it on drained sod-podzolic sandy soils.

Key words: soddy podzolic soils dehumidified, winter rape, weather conditions, precursors, fertilizer rates, yield, oil collection, economic efficiency.

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