Agriculture is one of the main industries in Taiwan. It contributes to the food security, rural development and conservation of Taiwan. Around 24% of Taiwan's land is used for farming. Taiwan is a global leader in vertical farming and agritourism. History Prehistory Agriculture has been an important sector of Taiwanese life since ages ago. From archaeological sites in Changbin Township, Taitung County, since Paleolithic Age around 30,000-50,000 years ago, people hunted, fished and gathered. Only in the Neolithic Age around 5,000-2,000 years ago, did people began to live their sedentary lifestyle where they grew rice and other crops and domesticated animals. During the Iron Age around 2,000 years ago, people in the northern coast of Taiwan began to make iron tools and food production increased significantly. In the 17th century, people from China began to migrate to Taiwan where they fished, hunted and grew crops. Most of them settled in the area around Tainan. Dutch Formosa During the Dutch Formosa in the early 17th century, the Dutch promoted the production of sugarcane and rice. At that time, 119 km2 of cultivated land in Taiwan belonged to the Dutch East India Company. The Dutch exported Taiwan's agricultural products and imported peas, tomatoes, wax apples and mangoes from Southeast Asia and United States to Taiwan. The Dutch introduced the domestic turkey to Taiwan. Ming Dynasty During the rule of Koxinga in the Kingdom of Tungning in the late 17th century, the number of immigrants from China to Taiwan increased to 200,000 people. This resulted in the increase of land under cultivation to 292 km2. Koxinga established a land tenure system and taught people to build reservoirs for irrigation. Rice was the main produce at that time. Chinese people also brought 43 kinds of vegetable from South China, such as leeks, garlic and Chinese cabbage. Qing Dynasty During the Qing Dynasty, immigration from Mainland China to Taiwan increased because of wars and famines in the mainland. People began to build canals for irrigation. At this time, the cultivated land in Taiwan increased to 3,506 km2 by 1895. The eighteen century official Chiang Yun-chuan was responsible for significant improvements in irrigation and flood control in southern Taiwan and was incorporated into the local folk religion as a deity. Empire of Japan During the Empire of Japan, the Japanese greatly improved the agriculture sectors in Taiwan. They built concrete dams, reservoirs and aqueducts which forms