摘要
通过研究不同的施肥措施,旨在为盐碱地小麦生产提供一定的理论依据。本试验以‘青麦6号’为实验材料,设置4种处理方式:复合肥(CK),有机肥(T1),过磷酸钙(T2),有机肥与过磷酸钙混施(T3),研究不同措施对小麦旗叶光合特性及产量影响。结果表明,与其他处理相比较,T3处理提高了盐碱地小麦旗叶的叶绿素含量(SPAD)、叶面积指数(LAI)、净光合速率(Pn)、气孔导度(Gs)和蒸腾速率(Tr),降低了旗叶的胞间二氧化碳浓度(Ci)。在开花后期,T3的提高幅度更为明显,有效的保证了开花后期的光合作用。与其他处理相比较,T3均能显著提高小麦穗数、穗粒数和千粒重,促进产量的提高,T3的产量达到了8523.32 kg/hm^(2)。因此本试验认为有机肥与过磷酸钙混施(T3)可作为盐碱地小麦较为合理的施肥措施。
Different fertilization measures were studied in order to provide a theoretical basis for wheat production in saline alkali soil.‘Qingmai 6’was used as experimental material,and four processing methods were set up:compound fertilizer(CK),organic fertilizer(T1),superphosphate(T2),organic fertilizer and superphosphate(T3).The effects of different measures on the photosynthetic characteristics of wheat flag leaves and yield of wheat were studied.The results showed that,compared with other treatments,T3 treatment increased chlorophyll content(SPAD),leaf area index(LAI),photosynthetic rate(Pn),stomatal conductance(Gs)and transpiration rate(Tr)of wheat in saline alkali soil,while it reduced the intercellular carbon dioxide concentration(Ci)of flag leaves.At the late flowering stage,the increase range of T3 was more obvious,which effectively guarantee the photosynthesis at the late flowering stage.Compared with other treatments,T3 could significantly increase the ear number,kernel number per spike,and 1000-grain weight,and promote the increase of yield.The yield of T3 reached 8523.32 kg/hm^(2).Therefore,the results indicate that the mixed application of organic fertilizer and superphosphate fertilizers(T3)can be used as proper fertilization practice of wheat in saline alkali soil.
作者
薛远赛
师长海
王源溪
吴震
张守福
刘义国
Xue Yuansai;Shi Changhai;Wang Yuanxi;Wu Zhen;Zhang Shoufu;Liu Yiguo(Juye Agriculture and Rural Bureau,Juye Shandong 274900;Qingdao Agricultural University,Qingdao Shandong 266000;Qingdao Hailiyuan Biological Technology Co.,Ltd.,Qingdao Shandong 266000)
出处
《中国农学通报》
2021年第20期1-6,共6页
Chinese Agricultural Science Bulletin
基金
国家重点研发计划“鲁东冬小麦化肥农药减施技术集成研究与示范”(2017YFD0201705)
青岛农业大学高层次人才基金(6631114308)
山东省高等学校青创科技支持计划“小麦抗逆育种及栽培创新团队”(2019KJF013)。
关键词
肥料
有机肥
过磷酸钙
盐碱地小麦
光合特性
产量
fertilizer
organic fertilizer
superphosphate
wheat in saline alkali soil
photosynthetic characteristics
yield
