Glacial and basalt rock dust.
Glacial rock dust vs basalt.
Let s take a look at their differences and find which will work best for your garden.
Granite is my go to dust since we live 15 miles from a quarry.
Although our azomite and glacial rock dust have been tested and are safe to use this may be a factor in your decision of which rock dust to choose.
We think it s the best.
Over 30 years ago o ne of the founding fathers of remineralization john hamaker promoted the use of glacial and alluvial rock dusts for remineralization.
In the last century our actions have caused a depletion of soil minerals to the point where many of our soils are severely deficient in minerals.
Glacial rock dust and basalt rock dust are broad spectrum organic mineral fertilizers that everyone can use without a soil test.
I ll get into that now.
This is said to have more pollutants than volcanic rock dust such as basalt but a lot of people seem to like it.
Many people consider this the best rock dust for vegetable gardens.
Excellent source for calcium magnesium iron manganese silicon cobalt zinc boron and aluminum.
Azomite glacial rock dust basalt gypsum and sea 90.
So azomite glacial rock dust and basalt and we choose basalt.
It may not contain as many trace elements as basalt or azomite.
We have been using a fertilizer that contains glacial rock dust at our organic perennial nursery and botanical gardens for many years.
Rock dust local is the first company in north america specializing in the local sourcing and delivery of the best broad elemental spectrum tectonic rock dusts for remineralization enhanced weathering and the best in biochar formulations nationally.
Is glacial rock dust better than single geologic sources like basalt.
This is made from sediment created by glacial expansion and contraction.
Local sourcing and nation wide delivery of the highest value rock dust products.
Igneous rocks like basalt and granite have the highest mineral content with basalt providing a greater balance of nutrients for optimal plant health and vitality.
It has less silica than azomite and diatomaceous earth for sure.
We are very pleased to have found what we believe to be the best basalt volcanic rock dust in the uk.
Basalt rock dust contains a more limited variety of minerals than the others.
The difference between volcanic and glacial or other rock dust is the mineral content mainly silica.
Silica is essential for optimal plant health and vigour but is lacking from commercial soil mixes.
The major types of rock dust or remineralization products marketed to growers today are.