Skip to content
Your #1 Source for Organic & Biological Farm Supplies
Your #1 Source for Organic & Biological Farm Supplies

Potassium

Biological and mineral potassium sources for pre-plant and top/side dress K needs. Potassium is critical for key plant functions including regulating plant water status and CO2 uptake.

Similar Categories

  • Original price $35.00 - Original price $35.00
    Original price
    $35.00
    $35.00 - $35.00
    Current price $35.00

    Allganic Soluble Potassium Sulfate SOP (0-0-52+S18%) - 50 lb Bag

    Potassium Sulfate Allganic Brand Water Soluble SOP (0-0-52-Sulfur 18%) This is a soluble SOP for crop production. It is best to apply according to ...

    View full details
    Original price $35.00 - Original price $35.00
    Original price
    $35.00
    $35.00 - $35.00
    Current price $35.00
  • Original price $249.00 - Original price $249.00
    Original price
    $249.00
    $249.00 - $249.00
    Current price $249.00

    AgSil 16H Potassium Silicate Powder 52% SiO2 (0-0-32) 50 lb Bag

     AgSil helps plants to resist toxicity from phosphorous, manganese, aluminum and iron and increases tolerance to salt. AgSil also aids in resistanc...

    View full details
    Original price $249.00 - Original price $249.00
    Original price
    $249.00
    $249.00 - $249.00
    Current price $249.00
  • Original price $43.00 - Original price $43.00
    Original price
    $43.00
    $43.00 - $43.00
    Current price $43.00

    Potassium Sulfate Granular (SOP) (0-0-50+S17%) - 50 lb Bag

    Potassium is essential for a vigorous root system, plant growth, disease resistance, as well as fruit and vegetable quality. SOP granular is a natu...

    View full details
    Original price $43.00 - Original price $43.00
    Original price
    $43.00
    $43.00 - $43.00
    Current price $43.00
  • Original price $14.00 - Original price $14.00
    Original price
    $14.00
    $14.00 - $14.00
    Current price $14.00

    Potassium Sulfate Granular (SOP) (0-0-50+S17%) - 10 lb Bag

    Potassium is essential for a vigorous root system, plant growth, disease resistance, as well as fruit and vegetable quality. SOP granular is a natu...

    View full details
    Original price $14.00 - Original price $14.00
    Original price
    $14.00
    $14.00 - $14.00
    Current price $14.00
  • Original price $42.00 - Original price $42.00
    Original price
    $42.00
    $42.00 - $42.00
    Current price $42.00

    K*ASH - Sunflower Hull Ash (0-4-34)+micros - 50 lb Bag

    Enriches the soil and tempers acidity. Improves soil structure and microbial flora. Its high pH (~10) is beneficial for flowers and perennials when...

    View full details
    Original price $42.00 - Original price $42.00
    Original price
    $42.00
    $42.00 - $42.00
    Current price $42.00
  • Original price $46.00 - Original price $46.00
    Original price
    $46.00
    $46.00 - $46.00
    Current price $46.00

    BioLink® Potassium Fertilizer Liquid (0-0-6) - 2.5 Gallon

    Potassium Fertilizer Liquid (0-0-6) - From ORGANIC BIOLINK® Contains 6.0% soluble potash essential for a vigorous root system, improved plant growt...

    View full details
    Original price $46.00 - Original price $46.00
    Original price
    $46.00
    $46.00 - $46.00
    Current price $46.00
  • Original price $32.00 - Original price $32.00
    Original price
    $32.00
    $32.00 - $32.00
    Current price $32.00

    Kmag or SulPoMag Granular (0-0-22+21S+11Mg) - 50 lb Bag

    Intrepid Trio brand is 100% natural Langbeinite, a unique mineral with three essential nutrients in every granule. Trio provides a long-lasting, re...

    View full details
    Original price $32.00 - Original price $32.00
    Original price
    $32.00
    $32.00 - $32.00
    Current price $32.00
  • Allganic Soluble Potassium Sulfate SOP (0-0-52-Sulfur 18%) - 50 lb x 56 Bags

    Potassium Sulfate Allganic Brand Water Soluble SOP (0-0-52-Sulfur 18%) - This is a soluble SOP for crop production. Also available in a 50 lb Solub...

    View full details