Science briefs: April-June 2003

Also in this issue:

Prevalence, Habitat Selection, and Biology of Protocalliphora (Diptera: Calliphoridae) Found in Nests of Mountain and Chestnut-backed Chickadees in California

How to manage “soil quality” key question for farmers and scientists

Letters: April-June 2003

Looking back 60 years, California soils maintain overall chemical quality

Blue oak enhance soil quality in California oak woodlands

Scientists, growers assess trade-offs in use of tillage, cover crops and compost

Incorporating straw may induce sulfide toxicity in paddy rice

Stubble height standards for Sierra Nevada meadows can be difficult to meet