The use of sawdusts and barks in media mixes and mulches is addressed by the Oregon State University affiliated author. The results of tests conducted to test the phytotoxic effects of two species of fresh bark are discussed along with recommendations.
To view the article, click on the link attachment.
Dec. 1977 Jan. 1978 Vol. 1, Issue 18 Pages 8-12
James Green Ext. Ornamental Specialist Horticulture Department Oregon State University, Corvallis 97331