施氮对郑麦366光合速率、花后干物质积累及产量的影响

张素瑜, 岳俊芹, 李向东, 靳海洋, 任德超, 杨明达, 邵运辉, 王汉芳, 方保停, 张德奇, 时艳华, 秦峰, 程红建

Effects of Nitrogen Application on Photosynthetic Rate, Dry Matter Accumulation after Anthesis and Yield of Zhengmai 366

Zhang Suyu, Yue Junqin, Li Xiangdong, Jin Haiyang, Ren Dechao, Yang Mingda, Shao Yunhui, Wang Hanfang, Fang Baoting, Zhang Deqi, Shi Yanhua, Qin Feng, Cheng Hongjian

表2 不同施氮处理对小麦产量及其构成因素的影响

Table 2 Effects of different nitrogen application rates on yield and its components in wheat

年度 Year 处理 Treatment 产量 Yield (kg/hm2) 穗数 Spike number (×104/hm2) 穗粒数 Grains of per spike 千粒重 1000-grain weight (g) 2018-2019 N0 9087.23c 624.80a 42.13b 39.74c N210 9702.72ab 639.20a 43.21a 41.96b N150+60 9859.41a 618.93b 42.23b 44.68a N150+120 9528.02b 611.33b 41.53c 45.09a 2019-2020 N0 4719.38c 419.17b 37.96c 36.32c N210 7841.65b 599.83a 40.39b 38.23b N150+60 8624.14a 590.51a 42.92a 40.61a N150+120 8634.45a 590.25a 42.55a 41.13a