TRACE ELEMENTS: Requirements by Plants

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
Very small amounts are necessary for leaves kept in good health; ten parts per million of water, or about one tablespoon per 300 gals, water is the average; enough of them occur in tap water or in fertilizer impurities or in well water. OD70-275
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Trace Elements

Trace Elements Comments
TRACE ELEMENTS: Added Fish fertilizer or seaweed can furnish them and can be applied in addition to a regular fertilizer. OIE86JY-10 0
TRACE ELEMENTS: Added to a 20-20-20 Fertilizer They are not necessary as special additives; minor elements probably are present in the fertilizer itself, or in the water supply or in the tree-fern medium being used. A67-1010 0
TRACE ELEMENTS: Boron, Copper, Iron, Manganese and Zinc They need a slightly acid reaction in the compost for assimilation by the plants; copper and zinc are available in alkali; they readily chelate, which happens when an organic molecule envelops them; refer to OA78-51; this is not true and should be omitted. OWD 0
TRACE ELEMENTS: Contained in Fertilizers Survey of nutrient elements contained In commercial fertilizers such as Peters; Plantfood; with a table for 13 elements in MMOL per litre (actual nutrient content).OA97-201 0
TRACE ELEMENTS: Make Your Own Formula Stock solution: 1 litre of water; Boric acid (H3BO3) -- 0.143 grams; Potassium Iodide (KI) -- 0.2g; Molybdenum Trioxide (MoO3) -- 0.10g (or, Molybdic Acid -- 0.11g); Copper sulphate (CuSO4.5H2O; -- 0.25g; Zinc Sulphate (ZnSO4.7H2O) -- 0.14g; Manganous Sulphate (MnSO4H3)- o.75g; and if the fertilizer used contains no chlorine, add Potassium Chloride (KC1) -- 2.0g. AU84-100 0
TRACE ELEMENTS: Treatment Once a month use Sequestrene 330Fe (Iron Chelate Micronutrient) at 1/4 tpg., twice in summer apply at the same strength Peters' S.T.E.M. (Soluble Trace Element Mix) at the same strength; apply Epsom Salts fortnightly at 1 ttpg. to promote green foliage. OD87-36 0
TRACE ELEMENTS: Usually a Good Balanced Fertilizer Contains Them The major trace elements are calcium, sulphur, and magnesium; the minor elements are molybdenum, boron, chlorine, cobalt, iron, copper and zinc. A73-913; F73-173; OD70-275 0
TRACE ELEMENTS: Usual Ones Recognized are iron, manganese, molybdenum, boron, and copper. OA83-118 0

New Topics

  1. James W McCully asked question How to read archived articles ? in category General Discussion
  2. David George asked question recently purchased orchid - what to expect in category General Discussion
  3. Danielle Carbonneau asked question phalaenopsis, dendrochum and Odontoglossum in category Phalaenopsis
  4. Nicholas Filannino asked question Phalaenopsis William Kistler? in category General Discussion
  5. Mark Farran asked question How to open and read articles listed 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