安徽农业科学2025，Vol.53Issue(11)：158-160,3.DOI:10.3969/j.issn.0517-6611.2025.11.034
腐殖酸尿素追施对弱筋小麦产量构成及氮肥利用率的影响
The Effects of Topdressing Humic Acid Urea on Yield Components and Nitrogen Use Efficiency of Weak-Gluten Wheat
摘要
Abstract
[Objective]To investigate the effects of topdressing with conventional urea and humic acid urea on yield components and nitrogen use efficiency in weak-gluten wheat.[Method]A field experiment was conducted with four treatments:CK(no nitrogen topdressing),L2(topdressing with conventional urea),L3(topdressing with humic acid urea type I),and L4(topdressing with humic acid urea type II).The topdressing nitrogen rate was 54 kg/hm2(the mass ratio of base fertilizer to top-dressing was 7∶3).Parameters including seedling number,dry matter accumulation,yield components,and nitrogen utilization indices were measured.[Result]Under the condition of applying convention-al urea,calcium superphosphate,and potassium chloride as base fertilizers,topdressing humic acid urea at 117 kg/hm2 effectively enhanced seedling number,dry matter accumulation,yield,and nitrogen use efficiency in wheat.Notably,humic acid urea type I outperformed type II in terms of effectiveness.[Conclusion]The application of humic acid urea as a top-dressing demonstrated a better yield-increasing effect on weak-gluten wheat compared with conventional urea,making it suitable for large-scale promotion and use.关键词
腐殖酸/尿素/弱筋小麦/产量/大田试验Key words
Humic acid/Urea/Weak-gluten wheat/Yield/Field experiment分类
农业科学引用本文复制引用
刘耀,曹艳,魏一苗,程捷,张丽霞,史鹏飞,吕玉虎..腐殖酸尿素追施对弱筋小麦产量构成及氮肥利用率的影响[J].安徽农业科学,2025,53(11):158-160,3.基金项目
河南省"揭榜挂帅"技术攻关项目(211110110800). （211110110800）
