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6 不同追氮处理对春小麦矿质元素含量的影响

Table 6 Effects of different nitrogen topdressing treatments on mineral element contents of spring wheat mg/kg

指标Index N0 N80 N160 N240 Ca 389.46±11.36b 429.42±1.29a 417.26±10.08a 410.77±15.36a Mg 1073.32±6.73c 1137.98±4.43a 1121.31±6.68b 1115.29±2.44b Fe 61.06±3.99d 116.31±4.74a 83.67±6.52b 72.30±4.43c Mn 36.70±3.85a 37.34±0.94a 38.59±3.24a 38.78±4.85a Cu 5.40±0.08b 6.49±0.44a 6.55±0.45a 6.12±0.45ab Zn 35.17±0.15b 38.46±0.05b 46.26±3.60a 37.39±4.65b