OFF MIX: Composition, Modified

Culture Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin almost 8 years ago.

Article Blog   Article Index
1 pts. fir bark, 1 pt. Perlite, 1 pt. German poultry peat, 1 pt. shredded Palco wool. ODA75(l) 24

The 7-1-1-1 mix: 7 pts. fir bark medium grind, 1 pt. each of coarse peat moss, redwood bark regular grind, and coarse Perlite; has a moisture-holding capacity of 140%; to each 10 cu.ft. add: two to three lbs. pulverized limestone, 3 lbs. bonemeal or a pound of 20% superphosphate, 1/2 lb. tankage and 1/2 lb. 5-10-5 fertilizer. A65-1001+

Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Off Mix

Off Mix Comments
OFF MIX: Composition 57% fir bark, 32% coarse peat (poultry grade), 5% Palco wool (redwood fiber), 6% Perlite (coarse); to each 10 cu.ft. add 4 lbs. bone meal, 1/2 lb. superphosphate, 1/4 lb. Ureaform nitrogen and 1.5 lbs, of green sand (Glauconite). A72-412; Dodson and Gillespie, Biology of the orchids (1967), 91One version (there are several) consists of 57% fir bark, 32% coarse peat (poultry grade) 5% Palco wool (redwood fiber), 6% coarse Perlite; to each cu. ft. add 4 lbs. bone meal, 1/2 lb. superphosphate, 1/4 lb. ureaform nitrogen and 1.5 lbs. of green sand (Glauconite) if you can get it. The orchid doctor, page 88, this and other versions. 0
OFF MIX: Composition, Altered 7 pts. fir bark medium size, 1 pt. coarse German peat, 1 pt. Palco wool; to each cu.ft. add: 3 lbs. pulverized limestone, 1 lb. single superphosphate, 1/2 lb. processed tankage, 1/2 lb. of 5-10-5 fertilizer; the Rutgers mix. A66-989 0

New Topics

  1. Danielle Carbonneau asked question phalaenopsis, dendrochum and Odontoglossum in category Phalaenopsis
  2. Nicholas Filannino asked question Phalaenopsis William Kistler? in category General Discussion
  3. Mark Farran asked question How to open and read articles listed in category General Discussion
  4. Juliann Eckhard started topic Cattleya little susie in category Cattleya Alliance
  5. Shannon Gardea asked question NELLY ISLER in category General Discussion
Ask a Question

Start a Topic

New Comments

  1. Louis Wilson commented on member plant E. alata f. alba by Louis Wilson
  2. Julie Ellner commented on member plant Phal. amabilis var. formosanum by Vickie Seibert
  3. Julie Ellner commented on member plant Rlc. Green Dragoon 'Mendenhall' by Jeanne Uzar Hudson
  4. Danielle Carbonneau commented on member plant Ons. Catatante 'Los Roble' by Henry Shaw
  5. Barry J Silver commented on orchid Lyon. SunCoast Pink Passion
  6. Carol Holdren commented on topic "Phalaenopsis William Kistler?" by Nicholas Filannino
  7. Carol Holdren commented on orchid Colm. Eric Gabriel Heines
  8. Carol Holdren commented on topic "Cattleya little susie" by Juliann Eckhard
  9. Carol Holdren commented on member plant Bc. Morning Glory by Chris Siolo
  10. R .Benson commented on member plant Kir. New Hybrid (Fred Clarke) SVO9831 by R .Benson
  11. Carol Holdren commented on topic "Blooming Stenglottis Venus “jamboree “" by John Urey
  12. Jeanne Uzar Hudson commented on member plant Lc. Canhamiana var. coerulea 'Cobalt' by Jeanne Uzar Hudson
  13. Jeanne Uzar Hudson commented on member plant Sns. gemmata by Jeanne Uzar Hudson
  14. Stefan Neher commented on topic "Orchid roots .com site?" by Mary Lane
  15. Kevin Barry commented on member plant Bul. Tammie Sue Pernas by Tony Pernas
  16. Linda Hartman commented on member plant Ctt. Final Blue by Linda Hartman
  17. Kevin Bergeson commented on member plant Paph. rothschildianum by Kevin Bergeson
  18. Carol Holdren commented on topic "recently purchased orchid shows unstoppable roots " by David George
  19. Michael Makio commented on orchid V. Beatrice Makio
  20. Carol Holdren commented on topic "shorter stem with less vigorous blooms" by katherine mott