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Premium Worm Castings
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Produced from carefully composted inputs and matured with our thriving worm herd here in Kerry, our premium castings can improve soil structure, boost root development, and enhance nutrient uptake. Research shows that worm castings can influence nutrient and quality-related compounds in fruits and vegetables, including increases in phenolics and antioxidants associated with flavour and nutrition. Used as a top-dress or mixed into the soil before planting, our Premium Worm Castings support vigorous growth, resilience, and rich flavourful harvests.

Ideal for:

  • New beds
  • Raised beds
  • Containers
  • Living soil mixes

Compatible with:

  • Organic fertilisers
  • Mineral fertilisers*
  • Living soil systems
  • Syn-ganic systems*

*When used alongside mineral fertilisers, worm castings can improve nutrient efficiency. We recommend reducing mineral fertiliser rates by 25%, and adjusting based on plant response.

 

 

General Application Guidelines:

  1. Mix thoroughly into soil or potting mixes at 10-20% castings by volume.
  2. Use as a top dressing every 4 weeks during active growth, apply a thin layer to the soil (5-10mm) and water in.
  3. Add a small handful to the planting hole during transplanting to help reduce stress and encourage rapid root development.

 

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Scientific References
Soil structure and plant growth: Atiyeh, R. M., Arancon, N., Edwards, C. A., & Metzger, J. D. (2000). Influence of earthworm-processed pig manure on the growth and yield of greenhouse tomatoes. Bioresource Technology, 75(3), 175-180.
Phenolics and antioxidants in produce: Arancon, N. Q., Edwards, C. A., Bierman, P., Welch, C., & Metzger, J. D. (2004). Influences of vermicomposts on field strawberries: 1. Effects on growth and yields. Bioresource Technology, 93(2), 145-153.
Nutrient efficiency and application rates: Edwards, C. A., Arancon, N. Q., & Sherman, R. (2011). Vermiculture Technology: Earthworms, Organic Wastes, and Environmental Management. CRC Press.
Root development and transplant benefits: Atiyeh, R. M., Lee, S., Edwards, C. A., Arancon, N. Q., & Metzger, J. D. (2002). The influence of humic acids derived from earthworm-processed organic wastes on plant growth. Bioresource Technology, 84(1), 7-14.

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