blooming purple flowers. alfalfa also called lucerne and medicago sativa plant close up in summertime

agronomy alfalfa also background bee biology blooming blossom bokeh botanical bud called close cloverlike color cultivate effect farming farmland feed feeding fertilizer field flora flower flowers forage grass green groeing growing harvest herb herbaceous herbal highyielding honey lawn leguminous lilac lucerne meadow medic medicago medical medicine nature organic pea perennial pharmacy plant purple sativa sowing summertime uncultivated wildflower