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Soil science
That science dealing with soils as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils per se; and these properties in relation to the use and management of soils.
Industry: Earth science
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Soil science
torrerts
Earth science; Soil science
砂姜黑土的乾旱地區的如果不在一年灌溉有裂縫中 6 或更多的 10 年裡,仍然封閉少於 60 連續天期間,當在從表面 50 釐米的深度土壤溫度高於 8 ° c。