g΍p

The comparison with other calcium materials
Particular Darwin Calcined lime Hydrated lime Calcium carbonate Fossilized seashell Calcium phosphate Calcium chloride Calcium nitrate Magnesia lime
Principal component chemical formula Calcium sulfate CaSO4 Calcium oxide CaO Calcium hydroxide Ca(OH)2 (Limestone) CaCO3 Calcium carbonate CaCO3 Calcium hydrogen phosphate CaHPO4   CaCl2   CaNO3 Calcium carbonate, magnesium carbonate
Solubility in 100g of water 0.22g 0.13g 0.19g 0.002g 0.002g 0.02g 59.5g 226g 0.03g
PH in the soil Neutral Strong alkali Strong alkali Weak alkali Weak alkali Neutral Neutral Neutral Weak alkali
Thickening effect component Calcium
Sulfur
Calcium Calcium Calcium Calcium Calcium
Phosporic acid
Calcium Calcium
Nitrate
Nitrogen
Calcium
Magnesium
Stability Stable Reacts with water
Correlate with heat
Hygroscopic Stable Stable Stable Large hygroscopicity Large hygroscopicity Stable
Presence or absence of excessive fault None Present Present None None None Present Present None
Designation of fertilizer method Designated as special fertilizer Designated as ordinary lime-based fertilizer Designated as ordinary lime-based fertilizer Designated as ordinary lime-based fertilizer Designated as ordinary lime-based fertilizer Designated as ordinary phosphate-based fertilizer Designated as special calcium fertilizer Designated as ordinary nitrogen-based fertilizer Designated as ordinary magnesia fertilizer

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