Letters

Also in this issue:

Natural biological control of western yellow-striped armyworm, Spodoptera praefica (Grote), in hay alfalfa in northern California

Competitive grants: Wave of the future?

Sediments reveal health of Lake Tahoe

Urban yard waste benefits orchard

Organic codling moth control approved

Urbanization crowds out oaks

Long-term survival question: Why do oaks produce boom-and-bust seed crops?

Planted blue oaks may need help to survive in Southern Sierras

Blue oak acorns more viable in Madera County than Kern County

Optimizing tomato distribution to processors lifts profits little

Consistent annual treatment helps future olive leaf spot control

Leaf removal improves fungicide control of powdery mildew in SJV grapes

Farm labor contractors play new roles in agriculture