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Characteristics |
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Bat guano is packed with nutrients, more than any other existing organic fertilizer.
It is rich in essential elements (N-P-K), complemented by a high micro-organism content, and a wealth of organic matter.
More importantly, Madagascar bat guano has:
• a uniquely high percentage of phosphorus and calcium
• a nearly-neutral acid pH (due to the presence of alkaline earth metals, Ca and Mg)
(due to the presence of alkaline earth metals, Ca and Mg) |
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Main Components of Bat Guano, with Percentage Present : |
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| Elements |
Bat Guano Madagascar |
| Total Nitrogen (N) |
3,50 - 6,00 % |
| Phosphorus Oxide (P2O5) |
12,20 - 17,60 % |
| Potassium Oxide (K2O) |
0,94 - 1,96 % |
| Calcium Oxide (CaO) |
17,1 - 28,50 % |
| Magnesium Oxide (MgO) |
0,40 - 1,83 % |
| Iron (Fe) |
0,94 - 1,05 % |
| Copper (Cu) |
103 - 251 ppm |
| Manganese Oxide (MnO) |
0,03 - 0,19 % |
| Zinc (Zn) |
676 - 968 ppm |
| Sodium (Na+) |
0,20 - 0,40 % |
| Organic matter (OM) |
19,40 - 25,70 % |
| pH (in H2O) |
4,50 - 6,10 |
| Ratio C/N |
2,98 - 3,2 |
| Humidity (Hy) |
10,00 - 22,60 % |
| Microbial flora |
2,5x103 - 1,8x10 6u.f.c/gr |
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Source: Omar Páez Malagón, Eng. 29 January 2004 |
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