Department of Vegetable Crops and Medicinal Plants, University of Agriculture, 58 St. Leszczyńskiego Street, 20–068 Lublin, Poland.
*Correspondence author: E-mail: katwarz@agros.ar.lublin.pl.
Amaranthus retroflexus, cabbage, Capsella bursa-pastoris, carrot, celeriac, Chenopodium album, cover crop, cucumber, Echinochloa crus-galli, G. quadriradiata, Galinsoga parviflora, leek, Polygonum persicaria, red beet, rye mulch, snap bean, tomato, turnip, Urtica urens, weeds, weed density
