Effects of Rice Husk Biochar Produced under Slow Pyrolysis on ...

• The use <strong>of</strong> rice straw and rice husk has been practiced for a long
time (Ponamperuma, 1982; Eagle et al., 2000; Singh et al., 2008;
Kaewpradit et al., 2009).
• Karmakar et al., (2009) studied the effect <strong>of</strong> application <strong>of</strong> fly ash
and rice husk ash, the study showed that the application <strong>of</strong> these
type <strong>of</strong> waste improved soil properties by decreasing soil bulk density
and increasing soil pH, organic carbon, available nutrients, and crops
yield.
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