What kind of salt-tolerant cash crops are suitable for the beach saline-alkali land in Hainan?

The plants suitable for coastal planting are related to the latitude and salt content of the local soil.

Hainan Island is located in the tropics, and the plants that can be planted along the coast are mainly Casuarina and coconut. In places with low salt content, you can also plant oil palm and Haohaoba (a wild woody oil plant).

From Zhanjiang to Wenzhou, Casuarina equisetifolia, Haohaoba and mangroves (which can grow in seawater) can be planted on the seashore.

From Wenzhou to the coast of Shanghai, cold-tolerant Casuarina equisetifolia (introduced from Australia) can be planted, and salt-tolerant tomatoes and reeds can be planted in places with slightly lower salt content.

From Shanghai to Bohai Bay, salt-tolerant mallow (introduced from the United States), atriplex triangularis, ice powder, foxtail grass, Mexican corn, Rumex, Spartina, Spartina alterniflora (introduced from the United States), Suaeda salsa, Malaysian cuisine, Jerusalem artichoke, salthorn grass, amaranth, salthorn grass, salthorn grass and so on can be planted. Salt-tolerant tomatoes, salt-tolerant barley, high-resistance Setaria viridis, Mexican corn and Ningmu 26 can be planted in places with slightly lower salt content. Pennisetum, Lycium barbarum, leek, cotton, Cyperus esculentus, buffalo horn melon, ice powder, bergamot, alkali valley, Yancheng oxtail grass, alfalfa, rye, ryegrass, etc. Where there is fresh water irrigation, rice can be planted.