Bilderback et al 2007. Non-organic amendments can extend media life.
Inorganic components include perlite, pumice, coarse sand, industrial clays, concrete block particles
and plastics like those contained in municipal garbage. TE Bilderback, JS Owen Jr., SL Warren and JP Albano. NMPRO • Nursery Management & Production pp. 37-42.
Inorganic amendments NMPro-Apr-07 Bilderback.pdf
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