232 



Bl'LLETIN 89 



FiK. 4. — Windbreak of IOucal,\ ijtus on the Blaisdell tHius urcliard, :itj years 



from planting 



-2%%. 



'■d^ 







•^^^ 





Fig-. 5. — Castor beans used as a temporary windbreak in a young citrus orchard 



on the Yuma Mesa 



