Productivity and quality of plant mass of meadow ASS: Danthonietum calycinae depending on the fertilization and utilization time

Abstract

Research was carried out on mountain Kopaonik, on two associations Danthonietum calycinae (1000 and 1500 m above sea level), in the period from year 2003 to 2004. Production of grassland depending on the fertilization (1. no fertilization, 2. N60P30K30, 3. N80P30K30, 4. N100P30K30), and cutting schedule (I forming of panicles, II beginning of spike forming and III full spike forming) was monitored. Production of grassland and floristic composition demonstrated dynamic changes depending on the year, cutting schedule and applied fertilization treatments. The greatest production of grassland dry mass and crude proteins on both locations was obtained in late cutting, i.e. in the stage of full spike forming of dominant species and in fertilization treatment with N80P30K30. Grassland was transformed by fertilization from ass. Danthonietum calycinae into ass. Festucetum rubrae on both locations. .