Economic efficiency of Camelina sativa growing with nutrition optimization under conditions of Precarpathians of Ukraine
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The results of research conducted during 2015–2018 in a field experiment on sod-podzolic soils while studying the effect of different fertilizers on productivity of Camelina sativa and oil-bearing crops and, accordingly, economic efficiency and competitiveness of this crop growing have been presented. The dependence of elements of productivity and yielding capacity on the application of mineral fertilizers has been revealed. It has been found that the application of mineral fertilizers had a significant impact on the productivity of Camelina sativa seeds and the cost index and profitability of Camelina sativa seeds, accordingly. Depending on the studied elements in growing technology of little-known in Ukraine crop of Camelina sativa, the main indices of economic efficiency were determined. It has been found that with optimization of plant nutrition, regardless of the increase in cultivation costs, conditionally net profit and profitability level increased. This was facilitated by foliar fertilization with modern restrictive preparations or complex micro fertilizers in critical periods of crop vegetation. Depending on the variant of the experiment, the average conditionally net profit during growing years ranged from 471.78 to 688.48 € ha–1 (1 UAH = 0.032 €), and profitability level ranged from 178.8 to 222.0%.