? There are many kinds of tropical and subtropical fruits with good quality in Hainan and southern Yunnan. Some tropical fruits are unique to Hainan, and some subtropical fruits are listed one to two months earlier than other parts of China, while watermelon is always sweet in all seasons. There are 29 families, 53 genera and more than 400 varieties of cultivated and wild fruit trees in Hainan Island, which are rare in other fruit areas in the world. Among them, the varieties of fruit trees native to the island are longan, litchi, plantain, myrtle, Castanea henryi, olive, Myrica rubra, sour bean, and licorice. Varieties introduced from Nanyang Islands and other places include durian, pistachio, cashew, avocado (avocado), guava, sweet peach, jackfruit, mango, mangosteen, citrus and rambutan. Tropical fruit unique to Yunnan Suanjiao.
1. aquaculture facilities: prepare aquaculture ponds, insect nets and aerobic facilities. Aquaculture ponds should be built together with aquatic and terrestr