Qionghai city, Hainan Province will carry out special rectification of the phenomenon of "non-grain basic farmland" in the whole city, and it is planned to clear up the cultivated land 1 1207 mu in time in 2022. The principle of this special rectification activity is "resolutely curb the increase and properly handle the stock", which means that from now on, non-grain planting and management in basic farmland will never be allowed.

It is necessary to properly handle the "non-grain" cash crops on the "non-grain" cultivated land. Areca catechu is a kind of Chinese herbal medicine and a kind of chewing food, but it is not a food crop. Therefore, planting betel nut in basic farmland belongs to "non-edible".