ROCK POWDER SOLUTIONS inc.
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​​Application
  • For best results, apply wollastonite according to soil test results and agronomic recommendations.
  • Application rates will vary according to plant requirements and soil conditions.
  • Consider calcium and magnesium requirements in addition to silicon supplementation when using this product as part of a balanced fertility program.

Horticultural Applications
  • Greenhouses: Add 6 to 10 pounds of wollastonite per cubic yard of soilless mix (1/4 cup per gallon)
  • Home Gardens: Add 1 cup of wollastonite per metre of row at seeding.
    • Use 2 tsp. to 1/3 cup of wollastonite per plant at transplanting.
    • Topdress plants with 2 tsp. of wollastonite weekly or bi-weekly.
Market Gardens/Field Vegetables:
  • Broadcast Rates: Spring or fall application; incorporation is recommended.
    • Apply at 1.5 to 4 mt/ac. Sandy soils, soils low in organic matter; cucurbits and brassicas will respond to higher rates.
  • Banding Rates: Apply at transplant or direct seeding, or as soon as possible after transplant or emergence.
    • Cucurbits (squash, pumpkins, melons, cucumbers) -  400-600lbs/ac
    • Fruits (tomatoes, peppers, eggplant, etc.) - 150-250lbs/ac
    • Brassicas (broccoli, cauliflower, cabbage, kale, etc.) -  400-500lbs/ac
    • Legumes, Tubers, Other Vegetables -  400lbs/ac
Agricultural Applications
  • Wollastonite can be broadcast in spring or fall. Incorporation is ideal but not necessary.
  • Wollastonite can also be banded at seeding or early emergence.
  • Broadcast Rates: Apply at 0.5 to 2 mT/ac. Sandy soils, soils low in organic matter; corn, wheat and alfalfa will respond to higher rates.
  • Banding Rates: Corn (at seeding, or up to 2-4 leaf stage) - 400-500lbs/ac
    • Soybeans (at seeding) 300-400lbs/ac
  • Turfgrass and Lawncare:  Broadcast at seeding or top-dress during the growing season with 50-80lbs per 1000 square feet (1-1.6mT/ac)
Address:
Rock Powder Solutions Inc
686137 Old Highway 2 West
Woodstock, Ontario
N4S 7V9


William Baan 
Cell:  (226) 228-7077
Email: [email protected]

Arie Bulk
Cell: (905) 325-3375
​Email: [email protected]
  • Agrominerals
    • Canadian Wollastonite >
      • Application
      • Field Results
    • Gypsum
    • Calcitic Limestone
    • VolcanoPhos
    • Tenessee Brown Rock
  • Pelleted Compost
  • Toll Processing
    • Ultrafine Grinding
    • Pelletizing
  • About
  • Contact
  • New Page