nai has edible fungus production up to standard vietgap update: / / according to the mushroom growers in trang bom district and long khanh town ( dong nai ) , black mushrooms are currently in camps traders bought for $ - / kg , an increase of more than vnd / kg compared to the end of february past ....
husk briquette for high economic efficiency update: / / each year, vietnam produced million tons of rice , including the mekong delta ( mrd ) produced over million tons . vietnam ranks second in the world in the field of export of rice after thailand . each year in the country more than million tons...