Tea is the main industrial crop of tropical and subtropical area.
茶叶是热带和亚热带地区主要的经济作物。
2
The rubber tree (Hevea brasiliensis) has been an important economic crop which has a large-scale cultivation in the tropical and subtropical regions, and 99% natural rubber comes from it.
巴西橡胶树是热带、亚热带地区大范围种植的一种重要的产胶植物，99%以上天然橡胶来源于巴西橡胶树。
3
Agave, commonly known as sisal is the most important fibre crop in the south subtropical and tropical regions in China and the world.