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Subject: elevated Free-Air CO2 Enrichment (FACE) gen. In a meta analysis of elevated Free-Air CO2 Enrichment (FACE) experiments on crops, Taub et al.(2008) showed that soybean has a significant nitrogen percentage reduction under elevated CO2. обогащение атмосферного воздуха СО2? |
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при повышении концентрации СО2 в окружающей среде вот описание метода http://en.wikipedia.org/wiki/Free-air_concentration_enrichment |
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