水氮减量对地膜玉米免耕轮作小麦主要光合生理参数的影响
徐龙龙, 殷文, 胡发龙, 范虹, 樊志龙, 赵财, 于爱忠, 柴强

Effect of water and nitrogen reduction on main photosynthetic physiological parameters of film-mulched maize no-tillage rotation wheat
XU Long-Long, YIN Wen, HU Fa-Long, FAN Hong, FAN Zhi-Long, ZHAO Cai, YU Ai-Zhong, CHAI Qiang
表1 小麦籽粒产量与光合速率、光合势及SPAD值的相关性及关联度分析
Table 1 Correlation and association degree analysis of grain yield with photosynthetic rate, photosynthetic potential, and SPAD in wheat
指标
Parameter
相关性及关联度分析
Correlation and association analysis
光合速率
Pn
光合势
LAD
叶绿素相对含量
SPAD
籽粒产量
Grain yield
相关性 Correlation 0.881** 0.835** 0.375
关联度 Association degree 0.737 0.743 0.611
排序 Ranking 2 1 3