ISBN: 9787534540561 - 镘鲡规模养殖关键技术 (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback Pages Number: 269 With the development of the eel aquaculture industry. China's eel exports has also made remarkable achievements in recent years. exports of eel has remained at about 50.000 tons. Eel farming and exports accounted for 80% of the world's total. China has become the world's eel farming. export country. Order to adapt to this new situation. to meet the majority of farmers to learn the application of new technologies. and large business development need.…