Bilderback et al 2005. Healthy substrates need physicals too.
Dr. Bilderback and colleagues present physical property guidleines for many pine bark-based substrates with amendments. They discuss challenges to adding amendments, volumes of those amendments, and how physical properties can change from beginning to end of production in containers. TE Bilderback, SL Warren, JS Owen, Jr., and JP Albano. HortTechnology 15:747-751.
Bilderback et al 2005 Healthy-substrates need physical too HortTechnolgy.pdf
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