单词 | soil horizon |
释义 | soil horizon (extremely rare) n WORD FAMILY soil horizon n a layer in a soil profile Exp|Hyper A horizon the top layer of a soil profile; usually contains humus B horizonimmediately below the A-horizon; contains deposits of organic matter leached from surface soils C horizonbeneath the B-horizon and above the bedrock; consisting of weathered rock horizon a specific layer or stratum of soil or subsoil in a vertical cross section of land |
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