Abstract
The paper presents the results of the assessment of yield and economic efficiency of pea varieties that are responsive to treatment with organo-mineral stimulating compositions (ORMISS). The field experiment began in 2015-2017 on the fields of the Azov-Black Sea Engineering Institute of Don State Agrarian University in Zernograd. For the treatment of pea seeds and plants, the ORMISS combined fertilizers – Cu/B and Cu/Mo were used at a dosage of 2 l/t and 2 l/ha, respectively. The yield was evaluated and the cost-effectiveness of various options of treatment of three pea varieties of Don breeding with these agents was calculated. It was found that all studied pea varieties were responsive to treatment and had a reliable yield increase relative to control. The maximum yield was reached when treating the Aksaysky usatyi 5 variety with ORMISS Cu/Mo – for vegetating plants (3.34 t/ha), Alliance variety – when combining pre-treatment of seeds with foliar nutrient in the 3-5 leaf phase (3.49 t/ha), when treating Ataman variety with ORMISS Cu/B – in case of two-fold out-root treatment (3.68 t/ha). The highest economic effect was obtained according to these processing options and amounted to 15620 rubles/ha in the Aksaysky usatyi 5 peas variety, Alliance – 11850 rubles/ha, Ataman – 9759 rubles/ha.
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