Sof'n-Soil Gypsum makes its
calcium available to plants far
faster than limestone - though
similar in chemical composition,
Sof'n-Soil Gypsum is 150 times
more soluble than limestone.
Sof'n-Soil Gypsum won't upset soil
pH* balance - it's a neutral
material, with a pH value near 7.0.
Limestone and other lime products
are alkaline materials which raise
soil pH - detrimental to acid
Sof' n-Soil Gypsum won't change
chemical makeup of plant
nutrients - an increase in soil pH
induced by adding limestone can
change the chemistry of plant
nutrients. Sometimes the affected
nutrient becomes insoluble and is
not available to plants. So, even
with sufficient plant nutrients in
the soil, an alkali condition
can be created which causes
plants to starve for nutrients. This is a 40lb bag.
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