种植密度对玉米-大豆带状间作下大豆光合、产量及茎秆抗倒的影响

程彬,刘卫国,王莉,许梅,覃思思,卢俊吉,高阳,李淑贤,AliRAZA,张熠,IrshanAHMAD,敬树忠,刘然金,杨文钰

Effects of Planting Density on Photosynthetic Characteristics, Yield and Stem Lodging Resistance of Soybean in Maize-Soybean Strip Intercropping System

CHENG Bin,LIU WeiGuo,WANG Li,XU Mei,QIN SiSi,LU JunJi,GAO Yang,LI ShuXian,Ali RAZA,ZHANG Yi,Irshan AHMAD,JING ShuZhong,LIU RanJin,YANG WenYu

图3 不同种植密度的大豆群体冠层参数随时间的变化（2019—2020） *,**和ns表示LAI和PAR在不同种植密度（PD）和种植模式（PP）下的显著性水平（P<0.05,P<0.01和P≥0.05）

Fig. 3 The changes of canopy parameters of soybean populations with different planting densities over time in 2019-2020 *, ** and ns indicated the significant level of LAI and PAR under PD and PP (P<0.05, P<0.01和P≥0.05)