错株增密种植对夏玉米光合特性及产量的影响

张春雨,白晶,丁相鹏,张吉旺,刘鹏,任佰朝,赵斌

Effects of Staggered Planting with Increased Density on the Photosynthetic Characteristics and Yield of Summer Maize

ZHANG ChunYu,BAI Jing,DING XiangPeng,ZHANG JiWang,LIU Peng,REN BaiZhao,ZHAO Bin

表3 错株种植与密度对夏玉米群体整齐度的影响

Table 3 Effect of staggered planting and plant density on group uniformity of summer maize

年份 Year 品种 Maize variety 密度 Density 种植模式 Planting pattern 穗粒数整齐度 Uniformity of harvested ear number 干物重整齐度 Uniformity of dry matter eight 叶面积整齐度 Uniformity of leaf area 2018 DH605 LD P 95.27ab 90.43b 95.09ab S 99.55a 93.15a 96.32a HD P 94.61b 89.73b 91.80b S 95.06ab 91.11ab 94.09ab ZD958 LD P 94.21ab 91.43ab 93.47ab S 98.13a 93.67a 95.09s HD P 89.59b 88.48b 88.34b S 96.82a 89.87b 92.87ab 2019 DH605 LD P 97.94ab 90.07ab 92.14a S 99.76a 90.44ab 92.55a HD P 94.08b 89.23b 90.00a S 98.64a 91.19a 93.26a ZD958 LD P 96.49a 90.06a 90.88ab S 99.92a 90.77a 94.62a HD P 90.46b 90.00a 88.48b S 93.54b 90.81a 93.65a ANOVA 年份Year ns ns ns 品种Maize variety * * ns 密度Density ** ns * 种植模式Planting pattern * * ** 密度×种植模式Density×Planting pattern * ns *