Exploitation and utilization of wild vegetable resources in the tropical and subtropical areas of Yunnan

The tropical and subtropical areas of Yunnan are rich in wild vegetable resources.There are about 300 species.Most wild vegetables feature high nutrients,distinct interspecies variations and long collecting periods.Yunnan has a long history of exploiting wild vegetables.But the exploitation is on a small scale and facing some problems,for example,resources are not effectively protected and reasonably utilized.Therefore,the traditional concepts shall be conformed and the researches on the wild vegetables cultivation,exploitation and utilization shall be strengthened to protect and exploit wild vegetable resources reasonably,turning resource advantage into economic one and creating sustainable and good economic profits.