不同施氮量对半干旱区糯玉米主要营养品质及产量的影响

吴凤婕, 侯楠, 齐翔鲲, 杨克军, 付健, 王玉凤

Effects of Different Nitrogen Application Rates on Main Nutritional Quality and Yield of Waxy Corn in Semi-Arid Area

Wu Fengjie, Hou Nan, Qi Xiangkun, Yang Kejun, Fu Jian, Wang Yufeng

表1 不同施氮量下糯玉米百粒干重

Table 1 100-grain dry weight of waxy corn under different nitrogen application rates g

品种 Variety 处理 Treatment 吐丝后天数Days after silking 15 d 20 d 25 d 30 d 35 d 40 d 45 d 金糯262 Jinnuo 262 N0 4.87b 8.73a 15.00a 18.07b 19.63b 27.83a 24.43c N1 7.13a 10.73a 16.43a 21.97a 20.63b 24.47a 27.63ab N2 5.80ab 8.40a 17.27a 20.06ab 24.60a 24.77a 26.67bc N3 5.10ab 8.30a 15.91a 20.70a 25.00a 25.63a 29.80a 京科糯2000 Jingkenuo 2000 N0 3.57a 7.20a 11.40a 17.37a 17.33c 19.70b 22.60a N1 3.31a 10.03a 10.97a 19.03a 20.50b 23.80a 24.97a N2 4.45a 8.23a 12.63a 17.13a 22.33a 22.47ab 26.07a N3 3.80a 9.43a 11.67a 20.30a 19.83b 23.13a 23.63a FV ** ns ** * ** ** ** FN ns ns ns * ** ns ** FV×N ns ns ns ns ** ns ns