Influence of buckwheat insertion depth on weediness of barley and bean crops

The article presents the effect of different insertion buckwheat as a catch crop on weediness spring barley and bean crops. research was carried out in 2019–2020 at farm Virmantas Pocius, located Pakruojis District, two fields, near Draudeliai Village. experiment variants were following: 1) tillage cover crops autumn (control); 2) shallow to depth 5 cm autumn; 3) deep 20 autumn. In control crops, higher levels perennial wintering weeds (weed category IV) found deeply inserted be lower III). weed abundance harmfulness score 7.84 points, when cm, it 7.19, 6.40. crop, pest scores these 8.11, 7.68 6.92, respectively. Plants Asteraceae family prevailed Among harmful this family, Cirsium arvense, Centaurea cyanu Tripleurospermum perforatum can distinguished. arvense is light-loving rhisome weed, its point 10, by Ellenberg Indicator values indifferent moisture, pH organic substances (pH N values).