Kelp Meal (North Atlantic)

Heavy Metals (PPM)

Arsenic       29

Cadmium     1.3

Mercury        <.01

Lead         1.5

Nickel         2.1


Source:   Data From Oregon Department of             Ag Organic Certification Database

NPK

Total Nitrogen      1.91%

Total P2O5       2.70%

Total K2O          6.96%

Available P2O5     1.28%

Soluble K2O       5.68%


Other Nutrients (PPM)

Boron           46

Calcium         20438

Cobalt           0

Copper           3

Iron             348

Magnesium        8611

Manganese         8

Molybdenum      0

Selenium         1

Silicon           174

Sulfur            8339

Zinc             5


Undesirable Elements (PPM)

Aluminum         111

Sodium           29711

Chloride         113741

Kelp meal is a proven biostimulant that contributes a full spectrum of trace minerals that reflect its oceanic origins. North Atlantic kelp (Ascophylum nodosum) is known to be the best source.

Kelp contributes various phytohormones that influence plant growth. Kelp meal is particularly high in cytokinins, which can increase lateral branching and bud development.

Kelp meal contains significant potassium concentrations, but rarely contributes significant amounts when applied in small quantities. Kelp meal can be high in arsenic, sodium, and chloride, so should be used in moderation.