Fig. 2 Seed weight per plant of `Coker 9835' and `Coker 9904' winter wheat exposed to mixtures of CO2 and O3 in open-top field chambers in Exp. 2. Bars are standard errors. Bars not visible are obscured by plot symbols
Fig. 2 Seed weight per plant of `Coker 9835' and `Coker 9904' winter wheat exposed to mixtures of CO2 and O3 in open-top field chambers in Exp. 2. Bars are standard errors. Bars not visible are obscured by plot symbols