CITRIC ACID: Plus Nutrient for Watering

Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 8 years ago.

Article Blog   Article Index
Accurate proportioning of both is essential; determine pH of water supply, if above 6.0 adjustment is optional; achieve about pH of 5.0 to 5.4, plus approximately 146 ppm. of nitrogen for mature plants, plus same of phosphorus and potassium; many other details given; refer to F68-118+
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Citric Acid

Citric Acid Comments
CITRIC ACID: Used to Lower Ph of Water It is a good chelating substance and could be responsible for excellent growth of some orchids; also metabolite of living aerobic systems; most plants manufacture their own. F68-114 0

New Topics

  1. Nicolaas Chomenko asked question E. veratrifolia or Tolu. Louise Elmore ‘Elsa’ in category Other Genera
  2. Lilla Toelcke asked question Den. Somkiat blue in category General Discussion
  3. James W McCully asked question How to read archived articles ? in category General Discussion
  4. David George asked question recently purchased orchid - what to expect in category General Discussion
  5. Danielle Carbonneau asked question phalaenopsis, dendrochum and Odontoglossum in category Phalaenopsis
Ask a Question

Start a Topic

New Comments

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