INFLUENCE OF NUTRITION SYSTEM ELEMENTSON THE PHYTOSANITARY CONDITION OF POTATO CROP
DOI:
https://doi.org/10.32636/agroscience.2025-(4)-3-3Keywords:
potato, variety, nutrition, weedinessAbstract
Weeds negatively affect the level of crop yields, including potatoes. Effectiveness in limiting the growth and development of weeds in crops can be achieved by selecting crop rotation, predecessor, methods of primary soil cultivation, fertilization system and protection against weeds. By correctly accounting for the segetal vegetation in potato plantations, it is possible to carry out regulatory measures regarding the number of weeds.
Unjustified use of agrotechnological and chemical measures in weed control can lead to increased costs for growing products and violations of the ecological component of the production process. The article presents the results of an experimental study of the influence of elements of the nutrition system on the weediness of potato crops. It was established that the smallest number of weeds was noted in the variant with the application of Biohumus fertilizer (4.0 t/ha locally).
For the Slauta potato variety, their number was 91.0 pcs/m2, and for the Legenda potato variety, respectively, 93.5 pcs/m2. The general analysis of weed types indicated that the main littering agents of potato crops in the experiment were small-year monocotyledonous and dicotyledonous weeds, which, on average, accounted for 60-75%. The rest were perennial weed types, represented by root-shoot and rhizomatous biological groups, and the ratio between weed species did not change significantly over the years of the study
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