affinity 发表于 2025-3-23 10:41:24
Arnold Hermanns,Oliver Brosche the humid tropics are analyzed. General environmental characteristics, physical, chemical and mineralogical soil data have been derived from ISIS, the ISRIC Soil Information System. The humid zone includes 6 major soil groupings: Acrisols, Arenosols, Cambisols, Ferralsols, Luvisols and Podzols. Forjumble 发表于 2025-3-23 14:48:07
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Overview: 978-3-409-13421-7978-3-663-12998-1金哥占卜者 发表于 2025-3-24 12:15:32
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ce, before Na, K or Mn), but the average crustal content of 75 ppm emphasizes its lowlithophile characteristics. Ni is more abundant in materials of mantellic origin, especially in ultrabasic rocks with a world average content of 1450 ppm; the content being as high as 3000 ppm in dunites (Turekian 1高射炮 发表于 2025-3-24 20:50:11
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