There have been many studies of technology and manufacturing equipment for the production and application TSH as agricultural environment Institute (Vietnam agriculture Science Institute) study Save the successful production of TSH from wood shavings, sawdust, straw, twine, husk, bagasse, corn, coffee; Mai Town of Orchid (Thai Nguyen University of science) have TSH invention from straw, firewood, COB, husk used as fertilizer; University of agriculture and forestry (hue) have researched, designed and built successfully created incinerator created TSH from agricultural byproducts scrap capacity from 50 to 300 kg the husk of raw material/batch (2 hours), with advantages such as saving time, effort, at least created smoke and exhaust, performance recovered from 95-99% achieved TSH; Institute of pedology and agricultural goods have use the TSH made from rice husk to do reviews, artificial soil and microbial organic fertilizer to produce export flower plants and specialty vegetables; Fertilizer Company and General Services Binh Dinh (Biffa), received the 2007 technology transfer from the company Sino-Japan for the production of TSH from the eucalyptus tree plantations and produce many kinds of products from TSH; Industrial cooperative-Flourishing agricultural and ward services progress (the city Tuyen Quang) was founded in 2010, producing and bringing to market the TSH from sawdust. And at the Department of science and technology in HO CHI MINH CITY. HCM, the subject "research coal production bio from hyacinth to serve agricultural production "being land Research Center fertilizers and the southern deployment environment.
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