Plonowanie laki podsianej komonica zwyczajna w warunkach ograniczonego nawozenia azotowego

Improvement of the Dactylis glomerata and Bromus inermis communities by oversowing Lotus corniculatus in the condition of three level of nitrogen fertilization (0, 60 and 120 kg N per ha). It was shown that under effects of increasing nitrogen rates the percentage of Lotus corniculatus became lower and the grasses share increased. Oversowing of Lotus corniculatus proved as an effective method of improvement of grass sward.