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Journal Article Changes in N and S Leaf Content, Stomatal Density and Specific Leaf Area of 14 Plant Species during the Last Three Centuries of CO2 Increase Get access JOSEP PEÑUELAS, JOSEP PEÑUELAS 1 Centre d'Investigació Agràna de Cabrils, Institut de Recerca i Tecnologia AgroalimentànaCrta. de Cabrils s/n, 08348 Cabrils (Barcelona), Spain 1 To whom correspondence should be addressed. Search for other works by this author on: Oxford Academic PubMed Google Scholar ROSER MATAMALA ROSER MATAMALA Centre d'Investigació Agràna de Cabrils, Institut de Recerca i Tecnologia AgroalimentànaCrta. de Cabrils s/n, 08348 Cabrils (Barcelona), Spain Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Experimental Botany, Volume 41, Issue 9, September 1990, Pages 1119–1124, https://doi.org/10.1093/jxb/41.9.1119 Published: 01 September 1990 Article history Received: 24 January 1990 Published: 01 September 1990
Peñuelas et al. (Mon,) studied this question.