减量追氮对冀东地区春小麦磷、钾肥利用及品质的影响

王佳童, 马映辰, 冯燕飞, 路佳慧, 郭振清, 李学利, 李云, 韩玉翠, 林小虎

Effects of Reduction of Nitrogen Topdressing Application on Phosphorus and Potassium Fertilizer Utilization and Quality of Spring Wheat in Eastern Hebei Province

Wang Jiatong, Ma Yingchen, Feng Yanfei, Lu Jiahui, Guo Zhenqing, Li Xueli, Li Yun, Han Yucui, Lin Xiaohu

表5 不同追氮处理对春小麦必需氨基酸RC的影响

Table 5 Effects of different nitrogen topdressing treatments on essential amino acid RC of spring wheat

指标Index N0 N80 N160 N240 缬氨酸Val 0.98 0.97 0.95 1.00 蛋氨酸+胱氨酸Met+Cys 0.94 0.91 0.96 0.94 异亮氨酸IIe 0.88 0.92 0.90 0.88 亮氨酸Leu 1.19 1.23 1.22 1.16 苯丙氨酸+酪氨酸Phe+Tyr 1.51 1.54 1.46 1.48 苏氨酸Thr 0.91 0.88 0.94 0.95 赖氨酸Lys 0.58 0.56 0.57 0.59