Biblio
“Chemical and physical properties of Douglas fir bark relevant to the production of container plants”, HortScience, 2007.
, “Micronutrient availability in fresh and aged Douglas fir bark”, HortScience, 2007.
, “Nitrogen availability in fresh and aged Douglas fir bark”, HortTechnology, 2008.
, “Growth, flowering and cold hardiness of Rockrose in western Oregon”, HortTechnology, vol. 20, no. 3, 2010.
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