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

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• The total amount <strong>of</strong> crop residues produced each year in rice-based systems <strong>of</strong> Asia can be roughly estimated at about 112 million tons <strong>of</strong> rice husks (based on 2005 production and a husk/paddy ratio <strong>of</strong> 0.2). (Pandey 1998) Asia and China <strong>Rice</strong> Production 2008 Source: http://www.fao.org/corp/statistics/en/ • Residue burning is widely practiced and causes air pollution, human health problems, and considerable nutrient losses. 6
Taiwan’s cultivated land area 250000 0.14% Hectares 200000 150000 100000 50000 0.64% 0.34% 99.36% 99.66% 99.86% 0.54% 99.46% 0 <strong>Rice</strong> Vegetable Fruits Tea Others s crops Organic (ha) 949.44 518.43 295.52 139.84 453.1 96.66% No organic (ha) 147081.56 151573.57 215067.48 25647.16 13107.9 3.34% Source: Organization <strong>of</strong> certification Agriculture and Food Agency ,Council <strong>of</strong> Agriculture. 2009
Page 1 and 2: National Pingtung University <stron
Page 3 and 4: Objectives: • Realize an investig
Page 5: • The use of ric
Page 9 and 10: Biochar preparatio
Page 12: • Wood biochar EDS point analysis
Page 15 and 16: From the literature, the recommends
Page 17 and 18: Worm avoidance test • A toxicity
Page 19 and 20: Soil • The experiment was conduct
Page 21 and 22: Application of ric
Page 23 and 24: • Top soil mixing technique (Majo
Page 25: Results: • Water spinach plants f
Page 29: Statistical analysis • Both bioch
Page 32 and 33: Stem number Stem size (mm)
Page 34 and 35: Root size (mm) Rice</strong
Page 36: Weight (kg) 0.6 Rice</stron

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

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