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5 不同谷子品种氮肥当季利用率差异

Table 5 Difference of nitrogen use efficiency of different foxtail millet varieties in the current season %

品种 Variety 氮肥当季利用率 Nitrogen use efficiency in current season 差值 Difference 高产型 High-productivity type 中产型 Medium-productivity type 豫谷18号 Yugu 18 47.85a (26.88~74.93) 36.33b (24.96~50.26) 11.52 沧谷6号 Canggu 6 56.41a (38.68~85.69) 41.47b 14.94 沧谷7号 Canggu 7 50.38a (34.77~73.18) 45.94a (36.62~55.27) 4.44 沧谷8号 Canggu 8 53.52a (26.82~80.82) 40.61b (24.22~61.77) 12.91