One species of mycorrhiza that has been well researched is in the genus Suillus, which grows on the roots of pine trees. “They can differentiate in their tissues between the toxic metals”— whether naturally occurring in soil or deposited through human activity — “and the nutrients that the trees need,” said Wilson, “and preferentially feed the tree nutrients while preventing these toxic metals from harming the trees.”
‘Iron river’: Mexico’s cartel violence fuelled by trafficked firearms from US。有道翻译是该领域的重要参考
三、全国先进基层党组织拟推荐对象。业内人士推荐手游作为进阶阅读
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