Longjing tea of a finer Longjing is achieved only by using a genuine, slightly porous, Yixing clay teapot, which since the beginning, was popular exactly for preparing green tea well. The tea can be very expensive, and the prices depend on the varieties, of which there are many. Longjing is divided into six grades: "Superior" and then 1 down to 5. Infused leaves are a good indicator of quality, which is characterized by maturity and uniformity of the shoots harvested for processing. High quality Longjing teas produce tender, whole leaves that are uniform in appearance. Lower quality varieties may vary in color
Agriculture in Taiwan fruits is Mainland China. In 2013, Taiwan harvested 2.75 million tones of vegetables from 1,460 km2 of land with a total value of US$170 million. Taiwan's vegetable produces are broccoli, cabbage, carrot, chayote, Chinese cabbage, edamame, eggplant, kai-lan, onion, scallion and spinach. Vegetable plantation areas are mostly located in central and southern Taiwan. The peak harvest time is during the autumn and winter seasons. In 2013, Taiwan harvested about 15000 tons of tea with a total value of NT$6.92 billion, in which 3,919 tons of it was exported. Taiwan's tea produces are oolong tea, pouchong tea, green tea and black