Crushed Bluff Oyster Shells composition is around 95% calcium carbonate. This is a great substitute to use for Ag lime with a number of other nutrients and micronutrients!
Nitrogen (N) |
0.00% |
|
Phosphorus (P) |
0.00% |
|
Potassium (K) |
0.00% |
|
Sulfur (S) |
0.00% |
|
Calcium (Ca) |
36.50% |
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Magnesium (Mg) |
0.30% |
|
Sodium (Na) |
0.30% |
|
Iron (Fe) |
0.06% |
Copper (Cu) |
2.8 ppm |
Manganese (Mn) |
14 ppm |
Zinc (Zn) |
7.7 ppm |
Boron (B) |
20 ppm |
Cobalt (Co) |
<1 ppm |
Molybdenum (Mo) |
4 ppm |
Selenium (Se) |
<10 ppm |