The Homegrown Mailbox: How and Where Do I Get My Soil Tested?
...co-author “Organic Matters” organic gardening column in Sacramento Bee for 20 years. Wallace Laboratories 365 Coral Circle El Segundo, CA 90245 (310) 615-0116 www.bettersoils.com Test results very scientific No recommendations Soil and Plant Laboratory, Inc. 1594 N. Main Street Orange, CA (714) 282-8777 FGL Environmental 853 Corporation Street Santa Paula, CA (805) 525-3824 USDA Natural Resources Conservation Service 44811 N. Date Avenue Lancaste...