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1 不同追氮处理对春小麦氨基酸含量的影响

Table 1 Effects of different nitrogen topdressing treatments on amino acid contents of spring wheat mg/g

指标Index N0 N80 N160 N240 必需氨基酸含量Essential amino acid content 67.38±0.82c 77.64±0.64a 72.75±0.56b 67.60±0.52c 非必需氨基酸含量Non-essential amino acid content 189.74±0.53c 219.27±0.77a 208.17±0.69b 188.89±0.27c 氨基酸总量Total amino acid content 257.12±0.82c 296.91±0.64a 280.92±0.56b 256.48±0.52c