Comparative Study of Takakura Method of Composting with Vermi Composting and Box Composting

Waste management has become an important issue in Nepal. Composting can be a reduction method for country like Nepal. Takakura method found to easier, faster and economical technique to solve the issue of organic waste in different countries is compared with Vermi and Box composting in context of Nepal. The pH of salt-based solution decreased, while pH of sugarbased solution decreased during five days of retention time. Conductivity of salt based solution was found to be decreasing till the third day. In the case of sugar based solution, conductivity increased from 1,649.78 µs in the first day to 2,400 µs in the fifth day of solution formation.

During the observation of temperature of seeding inoculates, temperature was found to increasing from 19.9C in the first day to 60.74C, at fourth day. Decline in temperature was observed in the fifth day of retention, reaching to 27C. During the composting process, Takakura composting method was found to having higher temperature than other composting method. During the chemical analysis, OM of composts produced from TC, TC (10), BC, VC, and VT were found to be 39.60%, 43.33%, 31.33%, 35.33%, and 35.07%, respectively. Similarly, C:N ratio was found to 11.39 (TC), 13.82 (TC (10)), 29.99 (BC), 11.27 (VC) and 10.93 (VT). Statistical test showed composts formed were statistically different in terms of NPK value.

Author(s): Manoj Neupane

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