新疆农业科学 ›› 2023, Vol. 60 ›› Issue (8): 1866-1872.DOI: 10.6048/j.issn.1001-4330.2023.08.006

• 作物遗传育种·种质资源·分子遗传学·土壤肥料 • 上一篇    下一篇

减氮下运筹养分吸收高峰期追施比例对春小麦的影响

李怀胜1(), 艾洪玉2(), 孟玲1, 王贺亚1, 张磊3, 艾海峰1   

  1. 1.新疆生产建设兵团第九师农业科学研究所(畜牧科学研究所),新疆额敏 834300
    2.塔城地区农业科学研究所,新疆塔城 834300
    3.塔里木大学,新疆阿拉尔 843300
  • 收稿日期:2022-12-16 出版日期:2023-08-20 发布日期:2023-08-14
  • 通信作者: 艾洪玉(1988-),女,四川南充人,高级农艺师,研究方向为作物栽培与育种,(E-mail)1475918863@qq.com
  • 作者简介:李怀胜(1988-),男,甘肃定西人,助理研究员,研究方向为作物栽培与育种,(E-mail)1505421254@qq.com
  • 基金资助:
    国家重点研发计划项目“绿洲小麦化肥农药减施技术集成研究与示范”(2018YFD20040608);兵团第九师科技攻关“滴灌春小麦节本提质增效关键技术研究与集成”

Effects of chasing rate during peak nutrient uptake of transport under n Reduction on spring wheat

LI Huaisheng1(), AI Hongyu2(), MENG Ling1, WANG Heya1, ZHANG Lei3, AI Haifeng1   

  1. 1. Institute of Agricultural Sciences of the Ninth Division of the Xinjiang Production and Construction Corps(Animal Husbandry Science Research Institute), Tacheng Xinjiang 834300, China
    2. Tacheng Prefecture Agrcultural Science Research Institute,Tachang Xinjiang 834700,China
    3. Tarim University, Aral Xinjiang 843300,China
  • Received:2022-12-16 Online:2023-08-20 Published:2023-08-14
  • Correspondence author: AI Hongyu (1988-), female, Sichuan, senior agronomist, bachelor degree, research direction: crop cultivation and breeding work,(E-mail)1475918863@qq.com
  • Supported by:
    National Key R & D Program Project "Research on the Oasis Wheat Chemical Fertilizer and Pesticide Application Reduction Technology Integration And Demonstration"(2018YFD20040608);Tackling Hard-Nut Problems in Science and Technology of the Ninth Division of XPCC "Research and Integration of Key Technologies for Saving Cost, Improving Quality and Efficiency of Drip Irrigation Spring Wheat"

摘要:

【目的】研究新疆北疆滴灌春小麦高产、优质栽培中合理减氮养分运筹,为春小麦拔节至开花的氮肥施用量选择提供依据。【方法】以新春43号为供试材料,调研213户农户氮肥施入量390 kg/hm2的基础上,按照氮肥减量20%、30%和40%设置3个施氮水平(312、270和234 kg/hm2)及拔节至开花运筹比例(7∶3、5∶5、6∶4),研究不同施氮水平下运筹调控拔节至开花期的氮肥追施比例对滴灌春小麦的影响。【结果】N1条件下,产量以R3最高,较R1、R2增产7.4%、3.7%,各生育时期干物质积累量较R1分别增加13.9%、17.5%、26.2%、10.3%,较R2分别增加7.7%、3.6%、10.6%和2.6%;花前、花后同化物转运量差异性不显著,叶面积指数也表现为R3>R2>R1。N2条件下,产量与N1条件下表现一致,干物质积累量各时期表现为R2>R1>R3,花前、花后同化物转运量呈“先增后降”的变化趋势,均在R2达到最大,分别为2 614.35和6 284.79 kg/hm2,叶面积指数表现为R3>R2>R1。N3条件下,R2的产量显著高于R1、R3,增产幅度分别为25.4%和32.0%,各生育时期干物质积累量较R1分别增加4.8%、10.8%、8.5%和23.2%,花前、花后同化物以R3最大,为2 242.32 kg/hm2,较R1、R2分别增加了50.6%和36.8%,叶面积指数表现为R2>R1>R3【结论】纯氮234 kg/hm2,拔节至开花期氮肥运筹比例6∶4更加适应春小麦生产。

关键词: 氮肥运筹; 春小麦; 干物质积累与转运; 叶面积指数; 产量

Abstract:

【Objective】 To provide a basis for reasonable nitrogen reduction in high-yield and high-quality cultivation of spring wheat under drip irrigation in Northern Xinjiang and to determine the amount of nitrogen fertilizer from nodulation to flowering.【Methods】 Xinchun 43 was taken as the test material, on the basis of investigating the nitrogen application amount of 390 kg / hm2 in 213 agricultural households, three nitrogen application levels (312, 270 and 234 kg / hm2) and the operation research ratio from nodulation to flowering (7∶3, 5∶5 and 6∶4) were set according to the nitrogen reduction of 20%, 30% and 40%, to study the effect of the transport ratios from nodulation to flowering on drip irrigated spring wheat.【Results】 Under the condition of N1, the yield of R3 was the highest, which was increased by 7.4% and 3.7% compared with those of R1 and R2.The dry matter accumulation increased by 13.9%, 17.5%, 26.2% and 10.3% compared with that of R1, and 7.7%, 3.6%, 10.6% and 2.6% compared with R2 in each period, respectively; There was no significant difference in assimilation transport before and after anthesis, and the leaf area index was R3 > R2 > R1.Under N2 condition, the yield was consistent with that under N1 condition.The dry matter accumulation was R2 > R1 > R3 in each period.The assimilation transport before and after flowering showed a trend of "increasing first and then decreasing", which reached the maximum in R2, 2,614.35 and 6,284.79 kg / hm2 respectively.The leaf area index was R3 > R2 > R1.Under the condition of N3, the yield of R2 was significantly higher than those of R1 and R3, with an increase of 25.4% and 32.0%, respectively.The dry matter accumulation increased by 4.8%, 10.8%, 8.5% and 23.2% compared with that of R1.The assimilates content before and after anthesis of R3 was maximum at 2,242.32 kg/hm2, which increased by 50.6% and 36.8% compared with R1 and R2, respectively, and the leaf area index showed R2>R1>R3.【Conclusion】 The pure nitrogen 234 kg/hm2 and the N fertilizer transportation ratio of 6:4 from nodulation to flowering are more suitable for spring wheat production under the conditions of this experiment.

Key words: nitrogen fertilizer operation research; spring wheat; dry matter accumulation and transport; leaf area index; yield

中图分类号: 


ISSN 1001-4330 CN 65-1097/S
邮发代号:58-18
国外代号:BM3342
主管:新疆农业科学院
主办:新疆农业科学院 新疆农业大学 新疆农学会

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