Agriculture - Closeup of a mature harvest ready red onion in the field / Salinas Valley, California, USA.

Agriculture - Celery stalks in the field, freshly harvested and ready to be packed and shipped / California, USA.

Agriculture - Large field of mature alfalfa ready for cutting in early morning light / Imperial Valley, California, USA.

Agriculture - Rows of healthy maturing carrots / Imperial Valley, California, USA.

Agriculture - Rows of blooming female sunflower plants being grown for seed production / near Woodland, Yolo County, California, USA.

Agriculture - Old red wooden ranch barn with a crop of oats grown for hay in the foreground / California, USA.

Agriculture - Rows of mid growth yellow onions / Imperial Valley, California, USA.

Agriculture - Moon rise above a mature barley field at sunset with rolling oak covered hills in the background / California, USA.

Agriculture - Rows of male (center) and female (sides) blooming sunflower plants being grown for seed production / near Woodland, Yolo County, California, USA.

Agriculture - Large field of maturing broccoli plants under morning overcast skies, typical of the Salinas Valley in Summer / Salinas Valley, California, USA.

Agriculture - Maturing wheat field on a hazy morning at sunrise with Valley Oak trees in the field / near Woodland, California, USA.

Agriculture - Mature harvest ready processing tomatoes on the vine / near Byron, California, USA.

Agriculture - A field of commercially grown Nasturtiums / Lompoc, California, USA.