垄作条播下春小麦不同品种与施氮量对边行效应、产量与水分利用效率的影响

雒兴刚, 万海元, 安丽蓉, 李永海, 雒兴玉, 张学凯, 梁维云, 朱建强

Effects of Different Varieties and Nitrogen Application Rate on Border Effect, Yield, and Water Use Efficiency of Spring Wheat under Ridge Tillage with Drill Sowing

Luo Xinggang, Wan Haiyuan, An Lirong, Li Yonghai, Luo Xingyu, Zhang Xuekai, Liang Weiyun, Zhu Jianqiang

表1 不同品种不同施氮量对小麦株高、LAI及SPAD值的边行优势的影响

Table 1 Effects of different varieties and nitrogen application rates on the border row advantage of wheat plant height, LAI and SPAD values

指标 Index 品种 Variety 处理 Treatment 位置Location 边行优势指数Border row advantage index (%) 边行 Border row 次边行 Adjacent row 中间行 Middle row 边行 Border row 次边行 Adjacent row 株高 Plant height (cm) 陇春42号 N0 65.30c 61.95d 60.80d 7.40b 1.89a N1 79.47bc 74.97c 73.30c 8.42a 2.28a N2 82.65b 79.40b 77.65b 6.52b 2.28a N3 85.40a 82.90a 82.05a 4.08c 1.04b 武春10号 N0 61.20c 59.60c 56.85d 7.65a 4.84b N1 77.27b 74.10b 71.10c 8.68a 4.22b N2 80.77a 78.60a 74.10b 9.00a 6.07a N3 81.85a 79.10a 76.10a 7.56a 3.94b LAI 陇春42号 N0 1.36c 1.21c 1.17c 16.89b 4.14c N1 1.78b 1.53b 1.45b 22.74b 5.17c N2 1.97a 1.73a 1.59a 23.90a 9.02b N3 2.01a 1.78a 1.69a 18.91b 5.57a 武春10号 N0 1.30c 1.27c 1.21b 7.69b 5.29b N1 1.66b 1.56b 1.48a 12.54ab 5.90b N2 1.77a 1.70a 1.53a 15.39a 10.69a N3 1.70a 1.64a 1.51a 12.41ab 8.32a SPAD 陇春42号 N0 53.80b 52.50b 51.53b 4.41b 1.88c N1 60.17a 58.17a 55.00a 9.40a 5.76a N2 60.52a 59.38a 57.10a 5.99b 3.99b N3 58.97a 58.77a 56.83a 3.77c 3.41b 武春10号 N0 51.87b 51.15b 50.40b 2.91b 1.48b N1 56.72a 55.97a 54.20a 4.65a 3.23a N2 57.93a 57.20a 56.60a 2.35b 1.06b N3 57.05a 56.34a 55.97a 1.93b 0.66b