Tech Sheet - Solu-Cal
Tech Sheet - Solu-Cal
Tech Sheet - Solu-Cal
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<strong>Solu</strong>-<strong>Cal</strong><br />
Soil pH Reducer<br />
Targets
SOLU-CAL Sulfur MAXX<br />
SOLU-CAL<br />
products utilize cutting<br />
edge<br />
PHCA enhances the plant’s ability to convert<br />
vital nutrients into an available form for plant<br />
uptake and soil pH adjustment.<br />
Lowering Soil pH with Sulfur on Turfgrass<br />
Mode of Action:<br />
Sulfur is oxidized by soil bacteria, thereby forming sulfuric acid which is the substance that<br />
lowers soil pH. Warm temperatures, good moisture and mechanical aeration are required for<br />
Sulfur oxidizing bacteria to function. Sulfur oxidation is minimal at soil temperatures less than<br />
50ºF. Consequently, Sulfur oxidation in the winter can be limited. Sulfur that lies ‘dormant’ in<br />
the winter will be oxidized when warmer temperatures occur. At 75ºF, the Sulfur oxidation rate<br />
is approximately 1 5% of that at 85ºF. Applications are best made when temperatures are warm<br />
enough for the bacteria to oxidize the Sulfur (70º - 85ºF), but not hot enough to accentuate<br />
tissue burn.
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