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What is the typical per-mu yield of Pinellia ternata in jin?
Pinellia ternata is usually propagated by tubers and can be planted three times and harvested three times a year, that is, the first planting in April, harvested around June 20; the second from August 10-20, and the third from September 10-15. These three times of sprout withering, that is, three times of bulbils maturing and three times of earthing up or taking bulbils for separate planting, are also a stage of growth, development and maturation of the underground corms. However, when cultivated at home, it is generally harvested once after autumn, the reason being to let the dry Pinellia ternata grow continuously in the ground and expand the underground corms. During field management, plastic film not only maintains soil moisture, but can also raise the ground temperature by about 4°C, enabling Pinellia ternata to
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