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2 不同施氮量对谷子品种成熟期各个性状及产量的影响

Table 2 Effects of different nitrogen application rates on various traits and yield of foxtail millet varieties at maturity stage

品种 Variety 处理 Treatment 株高 Plant height (cm) 单株鲜重 Fresh weight per plant (g) 叶绿素含量 Chlorophyll content 叶干重 Leaf dry weight (g) 茎干重 Stem dry weight (g) 穗鲜重 Panicle fresh weight (g) 穗干重 Panicle dry weight (g) 千粒重 1000-seed weight (g) 产量 Yield (kg/667 m2) 豫谷18号 Yugu 18 N0 100.50a 50.12b 31.00b 3.02ab 7.36b 21.93b 15.75b 2.74a 319.1b N1 101.20a 53.47b 40.33ab 2.92b 7.55b 23.25b 16.80b 2.80a 397.7a N2 103.00a 69.98a 41.05a 3.93a 9.88a 29.62a 21.13a 2.79a 417.8a N3 107.40a 56.17ab 37.26ab 3.38ab 7.55b 22.88b 16.33b 2.76a 401.4a 沧谷6号 Canggu 6 N0 101.70b 39.00b 34.05a 2.39a 5.61b 16.16b 10.98b 2.76a 323.8b N1 104.60ab 58.18ab 38.67a 3.45a 8.19a 22.73ab 15.59ab 2.79a 441.2a N2 108.90ab 52.45ab 37.68a 3.34a 7.00ab 22.79ab 15.77ab 2.87a 455.7a N3 112.00a 62.02a 41.26a 3.72a 8.65a 25.45a 17.37a 2.89a 451.5a 沧谷7号 Canggu 7 N0 102.90b 41.55b 29.68c 2.67c 6.40c 17.74b 12.28d 2.91a 321.9b N1 106.70ab 53.43b 36.11bc 3.05bc 7.08bc 21.67ab 14.43c 2.92a 394.2a N2 110.60a 57.65ab 39.15ab 4.06ab 9.78ab 25.85ab 17.94b 2.94a 456.2a N3 111.00a 73.88a 43.66a 4.82a 11.37a 27.64a 18.64a 2.95a 426.9a 沧谷8号 Canggu 8 N0 97.90b 44.28a 32.17a 2.59a 6.90a 19.19a 14.19c 2.88a 346.9b N1 107.10a 54.62a 38.97a 3.32a 8.82a 22.31a 16.32a 2.94a 418.7ab N2 113.00a 56.89a 43.80a 3.55a 8.61a 22.34a 15.97b 2.96a 437.4a N3 108.30a 59.93a 42.02a 3.73a 8.74a 23.29a 16.63a 2.93a 411.7ab 平均Mean N0 100.70b 43.74b 31.72b 2.67c 6.57c 18.75b 13.30b 2.82a 327.9c N1 104.90ab 54.93a 37.21a 3.18bc 7.91b 22.49a 15.78ab 2.87a 412.9b N2 108.90a 59.24a 39.60a 3.72ab 8.82a 25.15a 17.70a 2.89a 441.8a N3 109.70a 63.00a 40.25a 3.91a 9.08a 24.82a 17.23a 2.88a 422.9ab