水肥及化控对晚稻有序机抛秧秧苗素质的影响

陶祖豪, 王慰亲, 郑华斌, 向军, 唐启源

Effects of Water, Fertilizer and Chemical Regulation on Seedling Quality of Mechanized Casting Transplanting in Late Rice

Tao Zuhao, Wang Weiqin, Zheng Huabin, Xiang Jun, Tang Qiyuan

表2 水肥及化控下秧苗秧龄25 d时的根系指标

Table 2 The root index of each treatment seedling at seedling age of 25 days under water, fertilizer and chemical regulation

处理 Treatment 根冠比 Root-shoot ratio 根干鲜比 Dry-fresh ratio of root 根系总长度 Total root length (cm) 平均直径 Mean diameter (mm) CK 0.28c 0.28b 60.95a 0.77abc T1 0.24c 0.16c 43.30cde 1.07a T2 0.36ab 0.29b 45.89bcd 0.48c T3 0.38a 0.37a 56.75ab 0.85ab T4 0.42a 0.16c 32.54e 0.76abc T5 0.30c 0.16c 52.99abc 0.66bc T6 0.41a 0.27b 39.79de 0.50c T7 0.30bc 0.17c 42.53cde 0.75c