不同施氮量对饲用燕麦光合特性及氮素光合利用效率的影响

郑敏娜, 梁秀芝, 康佳惠, 李荫藩, 王慧, 韩志顺, 陈燕妮

Effects of Different Nitrogen Application Rates on Photosynthetic Characteristics and Nitrogen Photosynthetic Utilization Efficiency of Fed Oats

Zheng Minna, Liang Xiuzhi, Kang Jiahui, Li Yinfan, Wang Hui, Han Zhishun, Chen Yanni

表2 施氮量对饲用燕麦株高和干草产量的影响

Table 2 Effects of nitrogen administration on plant height and hay yield of fed oats

品种 Variety 处理 Treatment 株高 Plant height (cm) 干草产量 Hay yield (kg/hm2) 蒙燕1号 Mengyan No.1 N0 90.66±8.88b 7015.23±123.61b N1 102.82±9.35a 8319.16±222.32ab N2 103.56±9.02a 8612.36±236.12a 平均值 99.01 7982.25 KONA N0 80.36±5.36b 6023.45±99.64b N1 90.10±6.33a 7051.86±102.45a N2 94.56±9.01a 7836.15±136.42a 平均值 88.34 6970.49 甜燕麦 Sweet oat N0 102.36±7.86b 7964.25±262.45b N1 117.11±10.36a 8896.86±239.66ab N2 118.12±11.22a 9945.37±258.41a 平均值 112.53 9213.49 坝燕7号 Bayan No.7 N0 82.16±4.78b 6627.19±194.31c N1 96.23±5.67b 7405.70±185.24b N2 99.31±6.02a 7936.69±206.98a 平均值 92.57 7323.19 F * ** V * * F×V ns *