2009 California Food and Agricultural Code - Section 1500-1501 :: Part 4. California Agriculture Day

1500.  The first day of spring in each year is hereby designated as
California Agriculture Day.

1501.  Notwithstanding the Education Code, including, but not
limited to, provisions relating to curriculum requirements, on the
first day of spring or on another day determined by public schools
throughout the state, these schools are encouraged to provide
education that instructs students on the history and importance of
agriculture in California. This instruction may include education on
agricultural history, nutrition, economics, or the planting of a
school garden ; or the use of any educational device that
commemorates agriculture's importance in California.