增温增CO<sub>2</sub>浓度对玉米||花生体系玉米生长发育及产量的影响

增温增CO₂浓度对玉米||花生体系玉米生长发育及产量的影响

王飞, 郭彬彬, 孙增光, 尹飞, 刘领, 焦念元, 付国占

Effects of elevated temperature and CO₂ concentration on growth and yield of maize under intercropping with peanut

WANG Fei, GUO Bin-Bin, SUN Zeng-Guang, YIN Fei, LIU Ling, JIAO Nian-Yuan, FU Guo-Zhan

表2 间作玉米单株叶面积、光合势、净光合速率、干物质和产量的处理间方差分析(F值)

Table 2 ANOVA of leaf-area per plant, photosynthetic potential, P_n, dry matter, and grain yield of intercropping maize under different treatments (F-value)

	单株叶面积 Leaf-area per plant (m² plant^-1)	光合势 Leaf area duration (m² m^-2 d)	净光合速率 P_n (μmol CO₂ m^-2s^-1)	干物质 Dry matter (g plant^-1)	产量 Yield (kg hm^-2)
增温且增CO₂浓度 Elevated temperature and CO₂ concentration	18.2^**	4.68	42.6^**	74.0^**	180^**
磷肥 P	48.8^**	60.3^**	78.8^**	53.2^**	524^**
磷肥×增温且增CO₂浓度 P × Elevated temperature and CO₂ concentration	0.003	0.171	50.6^**	0.047	0.226