Biochar has been researched a lot on its mechanism of reducing heavy metal concentrations in water and soil.
From agricultural residues scientists have used to make animal feed, organic fertilizers bring higher economic value.
On the afternoon of May 31, the Science and Technology Construction Investment Project Management Board, the Ministry of Science and Technology organized the signing of the
Vietnam can produce 31 million tons of bio-oil per year from rice straw - one of the by-products of agricultural production is still largely abandoned by farmers after harvest.
Currently on the Vietnamese market, in addition to modern types of stoves such as gas stoves, electric stoves, and stoves, there are still types of stoves that use traditional