钴 cobalt
互联网
Co,原子量 58.9。对于某些植物来说,是必需的微量元素。钴是共生细菌和蓝藻类在固氮时所必需的维生素 B12 的组成成分(含量 6%),对具有茎叶的植物来说,也是必需的。在反刍类瘤胃中共生的微生物利用钴合成维生素 B12 ,但在澳大利亚等地,因土壤中缺乏该元素,所以通过口服来补充钴,以防家畜因缺乏 B12 出现贫血。
互联网
Co,原子量 58.9。对于某些植物来说,是必需的微量元素。钴是共生细菌和蓝藻类在固氮时所必需的维生素 B12 的组成成分(含量 6%),对具有茎叶的植物来说,也是必需的。在反刍类瘤胃中共生的微生物利用钴合成维生素 B12 ,但在澳大利亚等地,因土壤中缺乏该元素,所以通过口服来补充钴,以防家畜因缺乏 B12 出现贫血。
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