Photosynthetic characteristics and resource utilization efficiency of maize (Zea mays L.) and millet (Setaria italica L.) in a semi-arid hilly loess region in China

Figures & data

Fig. 1  Distribution of precipitation and temperature from April to October 2007 in the Yangou watershed

Table 1  A _sat, AQY and CE of maize and millet at two growth stages. Values are means ±SD (n = 3). Different letters in the same column indicate significant differences at P < 0.05 according to LSD tests

	A sat (µmol m^−2 s^−1)		AQY (mmol mol^−1)		CE (mmol mol^−1)
	July	September	July	September	July	September
Maize	35.7±1.3 a	18.1±1.2 c	0.071±0.002 a	0.054±0.002 c	0.307±0.081 a	0.136±0.023 b
Millet	30.1±1.0 b	11.2±0.8 d	0.063±0.002 b	0.045±0.001 d	0.165±0.035 b	0.100±0.013 b

Fig. 2  WUE, PNUE, P _n, T _r, Gs, LMA and N _mass of the maize and millet at the different growth stages. Values are means ±SD (n = 3). The same letters are not significantly different at P < 0.05 by LSD test