Fig. 3. Changes in the importance value of sunflower and wild plants in experimental plots. Two cultivars (“Jaeraejongja” and “Jaeraejong3”) of sunflower seeds were sown at different amounts (0, 50, 100, and 150 seeds) in two plot sizes (1 m × 1 m and 2 m × 2 m).
© J Ecol Environ
