Effects of carbon dioxide concentrations on three grass species grown in mixture in two soil types at different ozone concentrations or temperatures.

carbon dioxide chambre de croissance crecimiento croissance dioxyde de carbone efecto invernadero effet de serre festuca pratensis fitotrones greenhouse effect growth growth chambers lolium perenne mezcla de semillas noruega norway ozone ozono peat soils phleum pratense plant condition sandy soils seed mixtures sol sableux sol tourbeux suelo arenoso suelo turboso temperatura temperature