旱薄地夏播谷子氮肥合理施用量及吸氮参数的研究

刘艳丽, 平文超, 周璐璐, 张立新, 解新宇, 王伟, 田伯红

Study on Reasonable Application Amount of Nitrogen Fertilizer and Nitrogen Absorption Parameters of Summer-Sown Foxtail Millet in Dry and Thin Land

Liu Yanli, Ping Wenchao, Zhou Lulu, Zhang Lixin, Xie Xinyu, Wang Wei, Tian Bohong

表6 不同施肥量谷子品种抗倒性鉴定结果

Table 6 Identification results of lodging resistance of foxtail millet varieties with different fertilization levels

品种 Variety 处理 Treatment 抗折力 Fracture resistance (kg) 3~5节长 Length of 3-5th sections (cm) 株高 Plant height (cm) 单株鲜重 Fresh weight per plant (g) 根干重 Root dry weight (g) 机械强度 Mechanical strength (kg?cm) 倒伏系数 Lodging coefficient 豫谷18号 Yugu 18 N0 2.30a 18.66b 111.9a 52.04bc 2.73c 21.51b 100.27a N1 2.37a 19.84a 104.1c 52.97b 2.65d 23.63a 91.22b N2 2.43a 18.79b 107.7b 56.35a 3.54a 22.69ab 77.17c N3 2.05b 18.67b 105.3bc 50.75c 3.37b 18.98c 90.08d 沧谷6号 Canggu 6 N0 2.60b 15.44d 108.4b 53.99c 2.83d 20.04b 102.85a N1 2.87a 18.07b 111.9a 61.92b 3.47b 25.93a 79.31d N2 2.43b 16.64c 108.1b 68.89a 4.13a 20.21b 91.44c N3 2.13c 19.43a 111.7a 62.85b 2.98c 20.54b 118.23d 沧谷7号 Canggu 7 N0 2.63b 15.93ab 110.4a 63.18c 3.30b 20.88b 102.20b N1 2.85a 16.35ab 107.8b 57.89d 2.96c 23.13a 91.68c N2 2.77a 15.59b 107.4b 67.21a 4.33a 21.28b 79.26d N3 2.27c 16.78a 108.0b 61.31c 3.30b 18.90c 113.70a 沧谷8号 Canggu 8 N0 2.37b 19.14ab 111.0a 53.49b 2.67b 22.46ab 100.49b N1 2.54a 18.43b 111.3a 53.07b 2.97a 23.25a 88.36b N2 2.36b 19.50a 107.5b 48.14c 2.53c 22.20ab 95.76b N3 2.26b 16.31c 111.0a 62.59a 2.40c 21.04b 138.70a 平均值Mean N0 2.23b 17.80ab 108.2b 59.38a 3.84b 19.62b 101.46ab N1 2.38a 18.17a 108.8b 56.46b 3.83b 21.44a 90.74b N2 2.47a 17.30c 110.4a 55.68b 4.18a 21.22a 82.86b N3 2.41a 17.63bc 107.7b 60.15a 3.68c 20.95a 113.67a