Published Shang Shu Hong Fan. "Earth", one of the five elements; "Hey" means "Yue"; "crops", that is, planting food; "Thirty" means harvesting grain. Farming refers to the agricultural activities in which human beings grow and harvest food. All things and phenomena with biochemical, bearing and receptive properties or functions belong to soil. There are four lines in the native land, everything is born in the soil, everything is destroyed in the soil, and the soil is the mother of everything. All things and phenomena that have the functions of growth, acceptance, fertility and peanuts. Can be attributed to the soil.
In traditional Chinese medicine, it is usually called the function of the spleen and stomach, to decompose Shui Gu, transport delicate substances and transform qi and blood.
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