INFLUENCE OF MINERAL FERTILIZERS AND FOLIAR APPLICATIONS ON PRODUCTIVITY AND QUALITY OF GREEN MASS OF CORN CASCADE 195 SV
УДК: 631/635:633.15 DOI: 10.12737/2782-490X-2026-5-37-43
Keywords:
corn (Zea mays L.), tank mixtures, foliar application, mineral nutrition, growth stimulant, yield, feed valueAbstract
The paper presents the results of a three-year field experience evaluating the effectiveness of mineral fertilizers and foliar applications of Bioduks, Batr and Izagri Vita, both alone and as part of complex tank mixtures, when cultivating corn for silage in the Republic of Tatarstan. Corn remains a key silage crop for Middle Volga region. However, on gray forest soils, its productivity is determined not only by the basic supply of nutrients but also by the accuracy with which plant receives microelement and anti-stress support during the most sensitive phases of organogenesis. The aim of the study was to evaluate the effect of mineral nutrition levels and various combinations of foliar applications on productivity and forage value of green mass of Cascade 195 SV hybrid. The two-factor experiment included: factor A – nutrition background (without fertilizers and calculated dose of mineral fertilizers for the planned yield of 35 t/ha); factor B – treatment options with Bioduks, Batr, Izagri Vita and their tank mixtures. The soil of the experimental plot was gray forest, with a humus content according to Tyurin of 2.6-3.0%, mobile phosphorus and exchangeable potassium according to Kirsanov of 151-159 mg/kg and 179-194 mg/kg, respectively, and pHKCl of 5.8-6.1. It was established that the maximum green mass yield of 38.13 t/ha was achieved with the calculated background of mineral nutrition using a three-component tank mixture of Batr (2 l/ha) + Bioduks (2 ml/ha) + Izagri Vita (1 l/ha) in the 2-5 leaf stage. This variant also yielded the best feed value indicators: digestible protein content of 4.71 g/kg, feed unit yield of 13.52 thousand t/ha and exchange energy of 143.91 GJ/ha. Obtained results demonstrate that the combination of mineral nutrition and multi-component foliar treatments functions not as a mechanical sum of applications, but as a coordinated regimen of nutrition and stress protection, ensuring the full realization of the crop's productive potential.
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