Biochar in Indonesia, Malaysia, Nepal, Zambia, Tanzania - 5 ... - NGI
Biochar in Indonesia, Malaysia, Nepal, Zambia, Tanzania - 5 ... - NGI
Biochar in Indonesia, Malaysia, Nepal, Zambia, Tanzania - 5 ... - NGI
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Why is biochar so effective<br />
• Compensation of acidity<br />
• Nutrient sponge<br />
• Water sponge<br />
NH + No effect <strong>in</strong><br />
4 sorption isotherm<br />
field<br />
Soil/<br />
Soil/ char<br />
CEC pH, no biochar CEC + pH, 5% biochar<br />
char Al availability (cmol/kg) Al availability 5% biochar<br />
Soil Good<br />
(cmol ch/kg)<br />
+ 5% biochar<br />
effect Mkushi<br />
Mkushi<br />
<strong>in</strong> soil<br />
3<br />
49 4.9 8<br />
68 6.8<br />
field Kaoma<br />
Kaoma soil New 4 7<br />
5.4 7.0<br />
UNZA station 9 11<br />
Mkushi UNZA soil 0.18 3.8 < 0.01<br />
6.2<br />
2012<br />
Kaoma Charcoal dust 0.02 < 0.01<br />
Charcoal dust biochar 85<br />
biochar<br />
8.8<br />
UNZA 1.14 0.02<br />
Corn cob biochar 40 87 8.7<br />
K d = 100 L/kg<br />
Cornelissen, G; et al. Agronomy, 2013.<br />
Hale, S.E.; et al. Chemosphere, 2013.
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