Agriculture - Rows of mature Winter crop green leaf lettuce being grown in the desert / Bard Valley, California, USA.

Agriculture - Closeup of mature harvest ready Pima 4-lock cotton bolls / San Joaquin Valley, California, USA.

Agriculture - Closeup of a cluster of mature Chardonnay wine grapes on the vine / Salinas Valley, California, USA.

Agriculture - Rows of mature Winter crop butter lettuce with rows of red and green leaf lettuce on the right, being grown in the desert / Bard Valley, California, USA.

Agriculture - A six row John Deere picker harvests mature Pima cotton in late afternoon light / San Joaquin Valley, California, USA.

Workers plant a fall crop of broccoli in the Salinas Valley, farm buildings and fog in the background; Gonzales, California, United States of America

A windrower cuts and windrows alfalfa for drying prior to baling; Imperial Valley, California, United States of America

Tractor and baler making round hay bales in a field near Meeker, Colorado in late summer, mountains and partly cloudy skies in the background; Colorado, United States of America

Agriculture - Field workers harvest a mature crop of Romaine lettuce / Salinas Valley, California, USA.