every year. the figures will increase considerably when the world's population is forecast to reach billion by . in vietnam, one of the world's top three rice exporters, many people living in the northern, central and central highland regions feel hunger during the lean months. in the north-western...
in the field of export of rice after thailand . each year in the country more than million tons of waste rice husk as milling , mrd own emissions more than million tons of rice husks . this is a great source of energy and stability will tend to increase every year . previously, the husks are used as...