From: Hart, J., D. Horneck, R. Stevens, N. Bell, and C. Cogger. 2003. Acidifying Soil for Blueberries and Ornamental Plants in the Yard and Garden West of the Cascade Mountain Range in Oregon and Washington. EC 1560. (Cropped from original)
This publication provides an overview of soil testing and general guidelines for interpreting soil test results for nitrogen, phosphorus, sulfur, potassium, calcium, magnesium, boron, zinc, copper, manganese, iron, ...
Donald A. Horneck, Dan M. Sullivan, Jim Owen, John M. Hart |
Jul 2023 |
Extension Catalog publication
Peer reviewed (Orange level)