Humic acid can unlock minerals

Phosphorus fertilisers bond with ions of Ca, Mg, Al, and Fe that are present in soil and form inert compounds, which are inaccessible to plants.
As a result, most soils contain large amounts of minerals that plants cannot access. Do your soil tests tell you what minerals are in the soil or just those that are plant available?
If you have high phosphate levels, why apply more? It is cheaper and better for the soil if the phosphate that is already there is made plant available and HuMates does this.
Repeated field studies have provided evidence that the addition of humic substances to soils helps to neutralise the pH of soils. Both acidic and alkaline soils are neutralised. Once the soil is neutralised, then many trace elements formerly bound in the soil and unavailable to plant roots, because of alkaline or acidic conditions, become available to the plant roots. Humic substances also liberate carbon dioxide (CO2) from calcium carbonates present within the soil. The released CO2. may be taken up by the plant or it may form carbonic acids. The carbonic acids act on soil minerals to release plant nutrients.

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