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Volcanic Rock Dust - 20kg bag

20kg Angus Volcanic Rock Dust

A natural remineraliser for your soil. Rock dust is 420 million year old volcanic rock. Finely crushed to release a wide range of minerals and trace elements. It boosts the organic fertility of soil and compost to help grow higher yields, healthier fruit, vegetables, flowers, trees, lawns and pastures.

Full application details are below and are included with each bag. After the first application, annual applications are recommended in the autumn.

Product Part No: 46055

Pack size: 20Kg

In Stock
Price: £16.20

When to Sow

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
  • Sep
  • Oct
  • Nov
  • Dec

Additional Details

Application Advice for Angus Rock Dust
Soil based applications

For existing trees, shrubs, herbaceous borders, bulbs, fruit trees & bushes:
  • 1st application now @ 2kg/m2 [8 tonne/acre or 20 tonne/ha.]
  • Annual applications in autumn/winter @ 500g/m2 [2 tonne/acre or 5 tonne/ha.]
Best applied to soil surface and covered with organic mulch [VermiCompost], nature will take the rock dust and its goodness to the root zone
 
For existing lawns & pasture, meadows etc:
  • 1st application now @ 2kg/m2 [8 tonne/acre or 20 tonne/ha.]
  • Annual applications in autumn/winter @ 500g/m2 [2 tonne/acre or 5 tonne/ha.]
Best applied to soil surface and top dressed with organic mulch [VermiCompost], nature will take the rock dust and its goodness to the root zone
 
(NB: Use with care on lawns as sand/grit particles may damage cylinder mowers)
 
For vegetable gardens [all crops]:
  • 1st application now @ 3kg/m2 [12 tonne/acre or 30 tonne/ha.]
  • Annual applications in autumn/winter @ 1kg/m2 [4 tonne/acre or 10 tonne/ha.]
Best applied to soil surface, but if you are digging then we suggest you double the rate of use and incorporate to a depth of up to 300mm.
 
Planting of trees, shrubs and root balled plants:
  • Back fill with your natural soil and 5% Angus Rock Dust.
Planting of bulbs:
  • Sprinkle 2kg/m2 [8 tonne/acre or 20 tonne/ha.] to the soil surface prior to planting
Preparation for laying of turf or sowing of grass seed for lawns, pasture etc:
  • Sprinkle 2kg/m2 [8 tonne/acre or 20 tonne/ha.] to the soil and rake in to the surface.
Compost / Growing media applications
Always use Angus VermiCompost with Angus Rock Dust in non-soil based growing media [commonly, but not always accurately, referred to as compost].
 
For all crops/plants in all types/sizes of containers mix 5% Angus Rock Dust and 5% VermiCompost with the growing media. E.g. If using 90 litres of growing media mix in 5kg of Angus Rock Dust and 5 litres of Angus VermiCompost.
 
Composting
 
Angus Rock Dust is an ideal addition to your compost heap. Sprinkle a dusting to each layer to encourage speedy activation of microbes and ready to use compost sooner.