Glacial Rock Dust Vs Basalt

We are very pleased to have found what we believe to be the best basalt volcanic rock dust in the uk.
Glacial rock dust vs basalt. This is said to have more pollutants than volcanic rock dust such as basalt but a lot of people seem to like it. Granite is my go to dust since we live 15 miles from a quarry. Many people consider this the best rock dust for vegetable gardens. We think it s the best.
Basalt rock dust contains a more limited variety of minerals than the others. 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. Some sources say basalt rock dust is the optimal kind of rockdust and i ve never heard anyone deny that directly. Silica is essential for optimal plant health and vigour but is lacking from commercial soil mixes.
It has less silica than azomite and diatomaceous earth for sure. The major types of rock dust or remineralization products marketed to growers today are. Is glacial rock dust better than single geologic sources like basalt. Glacial and basalt rock dust.
I ll get into that now. But not all rock dust are equal or optimal for any grow condition. This is made from sediment created by glacial expansion and contraction. Azomite glacial rock dust basalt gypsum and sea 90.
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. We have been using a fertilizer that contains glacial rock dust at our organic perennial nursery and botanical gardens for many years. Let s take a look at their differences and find which will work best for your garden. Basalt is a ground form of volcanic rock.
So azomite glacial rock dust and basalt and we choose basalt. 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. Glacial rock dust and basalt rock dust are broad spectrum organic mineral fertilizers that everyone can use without a soil test. Excellent source for calcium magnesium iron manganese silicon cobalt zinc boron and aluminum.
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. The difference between volcanic and glacial or other rock dust is the mineral content mainly silica.