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单词 soil class
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soil class
soil class n. a group of soils similar to one another in texture or (in modern use) some other physical property.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > earth or soil > [noun] > soil group
series1904
soil series1905
soil class1913
soil group1921
catena1935
soil association1939
1913 Bull. Bur. Soils U.S. Dept. Agric. No. 96. 8 A soil class..includes all soils having the same texture, such as sands, clays, loam, etc.
1951 Soil Survey Man. (U.S. Dept. Agric. Handbk. No. 18) 135 Soil class is observed in the field by feeling the soil with the fingers.
extracted from soiln.1
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