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2 不同品种不同施氮量对小麦单株根干重、干物质量、产量及千粒重的边行优势的影响

Table 2 Effects of nitrogen application rates on the border row advantage of root dry weight, dry matter accumulation, yield and 1000-grain weight in different varieties

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 单株根干重 Root dry weight per plant (g) 陇春42号 N0 0.53c 0.51b 0.51b 3.96b 1.58b N1 0.54bc 0.53b 0.51b 5.85a 2.73a N2 0.61a 0.58a 0.57a 6.13a 2.28a N3 0.57b 0.55b 0.54b 5.76a 1.86b 武春10号 N0 0.50a 0.50a 0.49a 1.02b 0.41c N1 0.51a 0.51a 0.50a 2.20b 1.20b N2 0.53a 0.51a 0.49a 7.51a 3.65a N3 0.51a 0.48a 0.47b 8.89a 1.69b 单株干物质量 Dry matter accumulation per plant (g) 陇春42号 N0 2.36c 2.21c 2.17c 8.76c 1.34c N1 2.78b 2.54b 2.47b 12.55b 2.83b N2 3.01a 2.84a 2.61b 15.32a 8.81a N3 3.17a 2.96a 2.85a 11.22b 3.86b 武春10号 N0 1.88d 1.79b 1.73b 8.84d 3.60c N1 2.07c 1.85b 1.77b 16.86c 4.75c N2 2.25b 2.11ab 1.89a 18.89a 11.72a N3 2.43a 2.26a 2.08a 16.61b 8.45b 千粒重 1000-grain weight (g) 陇春42号 N0 42.70b 42.38b 42.12b 1.38a 0.62a N1 42.82b 42.40b 42.20b 1.47a 0.47a N2 43.33a 43.17a 43.07a 1.07a 0.46a N3 43.28a 43.07a 43.12a 0.72a 0.23a 武春10号 N0 41.98b 41.85b 41.49a 1.25b 0.94b N1 42.33ab 42.10a 41.70a 1.37b 0.96b N2 42.57a 42.32a 41.75a 1.96a 1.36a N3 42.11ab 41.85b 41.77a 0.81c 0.19c 单株产量 Yield per plant (g) 陇春42号 N0 1.17c 1.13c 1.00c 17.03c 13.82c N1 1.43b 1.34b 1.16b 23.24b 15.15b N2 1.56a 1.44a 1.23a 26.84a 16.73a N3 1.57a 1.45a 1.24a 26.47a 16.60a 武春10号 N0 0.94c 0.85d 0.75c 25.58c 13.25c N1 1.20b 1.08c 0.94b 27.73b 14.55b N2 1.32a 1.18b 1.01a 30.63a 16.40a N3 1.36a 1.23a 1.06a 28.83b 16.07a