History of tea war on China was one of Britain's tactics, it also began to explore, then executed, a plan to use India for growing tea. After tea plants were smuggled out of China, plantations were established in areas such as Darjeeling, Assam, and Ceylon. As an attempt to circumvent its dependence on Chinese tea, the East India Company sent Scottish botanist Robert Fortune to China to purchase and bring out of China tea plants, which were then taken to India, although it was the discovery of native varieties of tea plant in India which proved more important for the development of production
Sayama tea were brought to this region by rivers. The upper layer is made of a reddish loam created by the accumulation of volcanic ash. Together, these two layers make the region unsuitable for growing rice but suitable for tea growing, which requires high precipitation and high soil permeability. It is known that the Japanese people started growing tea trees roughly 800 years ago when Buddhist monks who traveled to China brought back seeds. A historical document from the Nanboku-chō period, , mentions as one of the best regions for tea along with , , , , and . However, the production