
农业与技术 ›› 2025, Vol. 45 ›› Issue (22): 21-28.DOI: 10.19754/j.nyyjs.20251130005
• 农业科学 • 上一篇
李凯旋 王爱丽
出版日期:2025-11-30
发布日期:2025-11-30
作者简介:李凯旋(2000-),男,硕士在读。研究方向:农业水土工程:通信作者王爱丽(1977-),女,博士,副教授。研究方向:水
资源管理与水生态保护。
基金资助:Online:2025-11-30
Published:2025-11-30
摘要: 为阐明氨肥调控措施对夏玉米产量、温室气体排放及土壤硝态氨残留的影响,本研究以“郑单958”为 供试材料,设置不施肥对照及9种不同施氨处理(N120、N220、N320结合C1、C2、C33个追肥时期),共10 种处理,每处理重复3次。结果表明,施氨显著提高了夏玉米单季及周年产量(P<0.05),产量随施氨量增加呈 先升后降趋势,在相同施氨水平下开花期追肥(C3)产量最高。氨肥调控显著降低了周年N,0排放量(8.02% ~11.64%,P<0.05)和温室气体排放强度,但增加了全球增温潜势(P<0.05)。此外,氨肥调控显著减少了0~ 100m土层硝态氯残留量(36.62%~39.93%,P<0.05),降低了氯素淋失风险。综上,氨肥调控措施在稳定产 量、减排增效和减少氨残留方面具有积极作用,为夏玉米轻简高效氨肥管理捉供科学依据。
中图分类号:
. 氮肥调控措施对夏玉米农田温室气体排放和氮素残留的影响[J]. 农业与技术, 2025, 45(22): 21-28.
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