Ten Years Planting Cycle
Qin Jianguo, the leading brand of Chinese Dioscorea Opposita Thunb, has been focusing on the field of Dioscorea Opposita Thumb for over 30 years. Iron Bar Yam is the only nourishing spleen, stomach and kidney, long food not fire. "One year planted iron bar, ten years no land". The "ten-year rotation" series, soil ten years, choose the land to accumulate enough natural energy after planting Dioscorea. The yield per mu is low, but the quality is excellent.
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