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How are orchids cultivated in the Beijing area? The answer is in "Dumen Yilan Ji"
"Dumen Yilan Ji": The Classic of Orchid Cultivation in the Beijing Area
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Orchid Open Course: Taught by Professor Liu Yan of Beijing Forestry University
The course takes traditional flowers - plum, orchid, bamboo, chrysanthemum, peony, Chinese peony, Chinese rose, lotus, ginkgo, and magnolia - as its subjects. From the perspectives of science and flower culture, and from the two dimensions of flowers as material wealth and spiritual wealth, it introduces, with different emphases according to each flower, the floral names, germplasm resources, ornamental characteristics, ecological habits, ...