[1]李彤,李翻过,姬月梅,等.宁夏引黄灌区不同还田年限对土壤质量及玉米产量的影响[J].江苏农业学报,2026,42(04):727-735.[doi:doi:10.3969/j.issn.1000-4440.2026.04.009]
　LI Tong,LI Fanguo,JI Yuemei,et al.Effects of consecutive years of straw returning on soil quality and maize yield in the Ningxia Yellow River irrigation area[J].,2026,42(04):727-735.[doi:doi:10.3969/j.issn.1000-4440.2026.04.009]
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宁夏引黄灌区不同还田年限对土壤质量及玉米产量的影响()

江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
42
期数:
2026年04期
页码:
727-735
栏目:
耕作栽培·资源环境
出版日期:
2026-04-30

文章信息/Info

Title:
Effects of consecutive years of straw returning on soil quality and maize yield in the Ningxia Yellow River irrigation area
作者:
李彤1; 李翻过1; 姬月梅2; 蔡巧红1; 汪华1; 苏明1; 洪自强1; 张文杰2; 吴宏亮1; 康建宏1
(1.宁夏大学农学院,宁夏银川750021；2.宁夏农林科学院农作物研究所,宁夏银川750002)
Author(s):
LI Tong1; LI Fanguo1; JI Yuemei2; CAI Qiaohong1; WANG Hua1; SU Ming1; HONG Ziqiang1; ZHANG Wenjie2; WU Hongliang1; KANG Jianhong1
(1.School of Agriculture, Ningxia University, Yinchuan 750021,China;2.Institute of Crop Sciences, Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan 750002, China)
关键词:
秸秆还田; 土壤理化性质; 酶活性; 玉米产量
Keywords:
straw return to the field; soil physical and chemical properties; enzyme activity; corn yield
分类号:
S513
DOI:
doi:10.3969/j.issn.1000-4440.2026.04.009
文献标志码:
A
摘要:
为明确秸秆还田年限对宁夏引黄灌区土壤质量及玉米产量的影响,本研究以该地区秸秆不还田地块(CK)、秸秆还田1年地块(H1)、秸秆还田3年地块(H3)、秸秆还田4年地块(H4)、秸秆还田5年地块(H5)和秸秆还田6年地块(H6)开展玉米栽培试验,分析不同地块玉米收获期土壤理化特征、酶活性及玉米产量特征,综合评估秸秆还田年限对土壤质量和玉米生长的影响。结果表明,秸秆还田能够改善土壤理化性质,提高土壤酶活性,增加玉米产量。与秸秆不还田对照(CK)相比,秸秆还田6年处理(H6)土壤容重降低16.23%,土壤孔隙度和含水率分别增加16.92%和10.35%,土壤碱解氮含量、全磷含量、有机质含量分别增加43.21%、42.86%、21.33%,土壤脲酶活性、碱性磷酸酶活性分别显著增加33.79%、35.63%。随着秸秆还田年限的增加,玉米产量呈增加趋势,H5、H6处理玉米产量分别比CK提高12.84%和11.37%。H6处理综合得分最高,说明长期秸秆还田有利于改善土壤理化性质,提高玉米产量。综上所述,长期玉米秸秆还田是宁夏引黄灌区土壤改良和玉米增产的有效措施。
Abstract:
To clarify the effect of straw returning years on soil quality and maize yield, this study carried out maize cultivation experiments in the Yellow River irrigation area of Ningxia with straw non-returning plots (CK), straw returning plots for one year (H1), straw returning plots for three years (H3), straw returning plots for four years (H4), straw returning plots for five years (H5) and straw returning plots for six years (H6). The soil physical and chemical characteristics, enzyme activities and maize yield characteristics at the maize harvest stage of different plots were analyzed, and the effects of straw returning years on soil quality and maize growth were comprehensively evaluated. The results showed that straw returning could improve soil physical and chemical properties, increase soil enzyme activity and increase maize yield. Compared with the control (CK) without straw returning, the soil bulk density of the six-year straw returning treatment (H6) decreased by 16.23%, the soil porosity and water content increased by 16.92% and 10.35%, respectively, the soil alkali-hydrolyzed nitrogen content, total phosphorus content and organic matter content increased by 43.21%, 42.86% and 21.33%, respectively, and the soil urease activity and alkaline phosphatase activity increased significantly by 33.79% and 35.63%, respectively. With the increase of straw returning years, the yield of maize showed an increasing trend. The yield of maize treated with H5 and H6 increased by 12.84% and 11.37% respectively compared with CK. The comprehensive score of H6 treatment was the highest, indicating that long-term straw returning was beneficial to improve soil physical and chemical properties and increase maize yield. In summary, long-term maize straw returning is an effective measure for soil improvement and maize yield increase in the Yellow River irrigation area of Ningxia.

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备注/Memo

备注/Memo:
收稿日期:2025-07-26基金项目:宁夏高质量发展与生态保护科技创新示范项目(NGSB-2021-3-02);宁夏粮食作物种质创制与生长调控科技创新团队(2022BSB03109)作者简介:李彤（2000-），男，陕西扶风人，硕士研究生，主要研究方向为作物生理生化。(E-mail)lt026778625@163.com通讯作者:康建宏,(E-mail)kangjianhong@163.com
更新日期/Last Update: 2026-05-11