Growth and maintenance respiration for individual plants in hierarchically structured canopies of Medicago sativa and Helianthus annuus : the contribution of current and old assimilates
• Respiratory costs of Medicago sativa and Helianthus annuus individuals growing in hierarchically structured stands in a controlled environment were analysed with regard to the daily rate of carbon (C) assimilation. • Net assimilation of new C (An , g C d-1 ) and respiration rates of new (Rnew ,...
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