How does crushed silicate rock affect pH?

Modified on Mon, 18 Dec 2023 at 04:48 PM

The silicate rock we work with has an alkalising effect on soil, stabilising or raising soil pH. In time, it could even replace lime as a means of making soil pH less acidic. Liming has an immediate effect on soil pH, whereas our rock improves pH over a period of time. Long term, our rock could be a better way of managing soil pH, as it is slow releasing and therefore prevents soil pH from drifting down over time. By maintaining the soil at a slightly higher pH, nutrients like phosphate become more available to plants. This may reduce the need for additional fertiliser.

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