不同新型肥料对小麦光合特性、冠层结构及产量的影响

于国宜, 孔令聪, 张亮, 韦志, 王永玖, 王智, 杜祥备

Effects of Different New Type Fertilizers on Wheat Photosynthetic Characteristics, Canopy Structure and Yield

Yu Guoyi, Kong Lingcong, Zhang Liang, Wei Zhi, Wang Yongjiu, Wang Zhi, Du Xiangbei

表4 不同施肥处理对小麦旗叶SPAD值的影响

Table 4 Effects of different fertilizer treatments on flag leaf SPAD of wheat

生长季Growing season 处理Treatment 孕穗期Booting stage 开花期Anthesis 花后20d 20 days after anthesis 2018-2019 普通化肥 49.9b 54.3b 39.5c 保持肥 54.5a 59.8a 46.4ab 活性增效肥 52.6a 59.9a 48.5a 活性炭肥 51.2ab 56.8b 45.7b 活性素肥 55.0a 58.2ab 43.6b 土壤改良剂+习惯施肥 53.1ab 58.5ab 46.2ab 习惯施肥 49.7b 56.1b 41.1bc 2019-2020 普通化肥 50.9b 48.7b 38.2c 保持肥 53.6a 56.5a 46.2a 活性增效肥 55.3a 58.6a 47.7a 活性炭肥 55.1a 58.9a 48.6a 活性素肥 53.6a 56.6a 46.7a 土壤改良剂+习惯施肥 53.7a 59.4a 45.3a 习惯施肥 48.5c 50.9b 42.1b