Table 2.

Highest and lowest thermodynamic performance of plant-leaf in PAR in feasible T_leaf-range

Performance parameter (Φ)	${\mathrm{\Pi }}_{\text{E},\text{leaf}}$	$\left|s_{\text{neg},\text{rad}}\right|\left./\phantom{\left|s_{\text{neg},\text{rad}}\right|c^2}\right)c^2$	${\mathrm{\eta }}_{\text{ph},\text{PAR}\_\text{max}}$
Tleaf =  + 55 °C, λ = 0.7 μm; Lowest Performance:	18.39	3.844 × 10−3 K−1	0.945584
Tleaf =  − 45 °C, λ = 0.4 μm; Highest Performance:	29.12	5.647 × 10−3 K−1	0.965625
[(Φmax − Φmin)/Φmin] × 100%	58.35	46.90	2.119