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Rocky Mountain BioAg Pure Earthworm Castings


Rocky Mountain BioAg's Pure Earthworm Castings are an all natural organic soil builder produced in the USA!  These pure earthworm castings are produced from nightcrawler worms fed rich organic material, minerals and trace elements. The end product is "super humus" an extremely fertile organic soil builder properly conditioned for the best root growth. Rocky Mountain BioAg Pure Earthworm Castings contain a homogeneous blend of water soluble (quick release) and water insoluble (slow release) soil and plant nutrition. Brew the best compost tea and feed your plants and soil right with pure earthworm castings. We go through mass volumes of pure earthworm castings so you can rest assured that the castings you will be receiving are always fresh, moist and ready to use!

  • All natural organic soil builder made in the USA 
  • Great for compost teas, soil mixes and top dressing
  • Use on houseplants, vegetables, flowers and more
  • Produced from nightcrawler worms fed rich organic material, minerals and trace elements
  • Improves soil structure and water retention capacity

Base Potting Soil:
Mix 15-25% (1.125 - 1.875 Gallons) per cubic foot base potting soil.
1 dry cubic foot = 6.50 Gallons
1 wet cubic foot = 7.50 Gallons (used in above calculation)

Top-Dress Established Plants:
1 Tablespoon per inch of pot size. Apply as needed throughout the plants life.

Compost Piles:
Spread a thin layer of pure earthworm castings between each new layer of material to be composted.

Vegetables and Annual Flowers:
Line bottom and sides of plant hole and seed furrows with 1" - 2" of pure earthworm castings. Set seeds or plants in place and cover with soil. Side dress during growing season at a rate of ½ cup per plant or 1 cup per linear foot row once every 2 months.

Work ½ cup into the soil above their root zone taking care not to damage shallow roots. Apply in spring, early summer and early fall.

Roses, Trees, Shrubs and Berries New or Freshly Transplanted:
Mix 1 part pure earthworm castings to 3 parts soil. Surround newly dug hole with mixture. Spread roots over a mound of the mix in the hole and cover.

Roses Established:
Mix 4 cups of pure earthworm castings into the soil 2" - 3" below the surface for each plant.

Starter or Grow-Ins Turf Grass:
Apply 100 lbs. per 1,000 sq. feet. Till or rake into the top 2” – 4” after surface spreading mix in grass seed and water well.

Established Turf Grass:
Apply as a top dressing for fairways, rough, lawns, greens, landscapes, or on any established grass. Apply 100 lbs. per 1,000 square feet.

2 Cups per 5 gallons of water, aerate with the proper size air pump, brew for 24 - 34 hours. Best brew time depending on conditions is usually 30 hours.

Use Microbe Life Hydro / Quantum Growth microbial inoculants for superior results and apply when the time is right for you! Quantum Organic Light, Quantum Growth Organic VSC and Quantum Organic Total will save you time and money completely the need to brew compost teas. The Quantum Growth Series provides pure biological strains allowing you to perform controlled biological inoculation with replicated results time and time again! No waiting on brewing, just mix the probiotics with clean water your favorite plant amendments / foods and soil drench or foliar apply immediately!

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