THE EFFECT OF MICROBIOLOGICAL PREPARATIONS AND MINERAL FERTILIZER DOSES ON THE STEM HEIGHT OF GREEN PEA (PISUM SATIVUM L.) PLANTS
This scientific article investigates the effect of microbiological preparations on the stem growth of pea plants (Pisum sativum L.). The preparations Fitovak, Teria-S, Yer Malhami, as well as their combinations, were applied against three different mineral fertilizer backgrounds: P90K60, N30P90K60 and N60P90K60. Plant stem height was measured at the stages of budding, flowering, and pod formation. The highest results were observed in the variant where Teria-S was applied on the P90K60 background. Specifically, the stem height reached 54.9 cm at the budding stage, 70.7 cm during flowering, and 76.2 cm at the pod formation stage. Furthermore, high effectiveness was also recorded with the N30P90K60 background when Teria-S was applied, with stem height reaching 72.8 cm during the pod formation stage. On the N60P90K60 background, the application of Teria-S led to an increase in stem height up to 73.8 cm. In some cases, the combined use of the biostimulant Fitovak and the biological preparation Yer Malhami resulted in comparatively lower values.