THE INFLUENCE OF SOIL TILLAGE METHODS AND BIOPREPARATIONS ON WINTER WHEAT PRODUCTIVITY

Abstract

The field experiment was carried out in 2022–2023 in the farm of farmer Virginijus Mačionis, located in the village of Kreipšiai, Kupiškis district. The soil of selected research site is carbonatic deep gleyic luvisol soil (Hapli‑Endohypogleyic Luvisol). The soil at the research site is neutral in acidity (pH 6.5), with moderate mobile phosphorus content (P₂O₅ – 128 mg kg^-1), moderate mobile potassium content (K₂O – 120 mg kg^-1), and high humus content (3.2 %). The winter wheat variety 'Etana' was chosen for the study. The field experiment involved two factors: Factor A - different soil tillage methods, Factor B - biological preparations Biomas. The aim of the study was to determine the effect of different soil tillage and biological preparations on winter wheat productivity. The objectives of the study were to evaluate the influence of different soil tillage methods and biological preparations on winter wheat crop density in spring and to assess the impact of this factors on winter wheat yield. During the study, it was found that soil cultivation significantly affected plant density in spring. A significantly 11 % denser stand was found in conventionally cultivated plots. The impact of biopreparations was not significant. There were no significant differences in wheat yield due to the studied different soil tillage methods or the used biological preparations.