摘要
本研究根据华北(半干旱)地区夏玉米种植特点,以品种郑单958为试材,用盆栽法,设6个处理,探究新型保水剂与氮肥混施互作对玉米生理生化特性的影响。结果表明:保水剂能促进玉米对氮素的转化利用,促进玉米对营养元素的吸收;适宜的氮素用量与保水剂互作,能促进玉米的抗逆性和生命活力,使玉米生长发育后力充足,并有利于抽穗期的吐丝结实;氮素用量0. 326 g/kg、保水剂用量0. 07 g/kg时,二者互作对玉米抗旱性和生理生化特性有较好效果。
According to the characteristics of summer maize planting in north China(semi-arid)region,the pot experiment was carried out with 6 treatments to study the effect of interaction of new water retaining agent and nitrogen fertilizer on physiological and biochemical characteristics of maize variety Zhengdan 958.The results showed that the use of water-retaining agent could promote the transformation and utilization of nitrogen in maize,thus promoted the absorption of nutrient elements in maize.The interaction of appropriate nitrogen content and water-retaining agent promoted the stress resistance and vitality of maize to ensure the later growth and development and be conducive to the silking and seeding.When the application rate of nitrogen was 0.326 g/kg and that of water retaining agent was 0.07 g/kg,their interaction had better effect on drought resistance and physiological and biochemical characterisctics of maize.
作者
李明蔚
崔晨晖
夏竹青
胡昌芹
姜澳生
张振玉
刘树堂
Li Mingwei;Cui Chenhui;Xia Zhuqing;Hu Changqin;Jiang Aosheng;Zhang Zhenyu;Liu Shutang(College of Resources and Environment,Qingdao Agricultural University,Qingdao 266109,China)
出处
《山东农业科学》
2020年第9期66-72,共7页
Shandong Agricultural Sciences
基金
国家重点研发计划项目“鲁东丘陵区小麦-玉米全程机械化抗旱减灾技术集成与示范”(2018YFD0300604)
国家重点研发计划项目“小麦-玉米周年水肥资源高效利用与耕作技术研究”(2017YFD0301002)
山东省现代农业产业技术体系建设项目(SDAIT-02-06)。
关键词
保水剂
氮素
玉米
生理特性
酶活性
抗旱性
Water retaining agent
Nitrogen
Maize
Physiological and biochemical characteristics
Enzyme activity
Drought resistance
