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Improved crop yield and reduced nitrate nitrogen leaching with straw return in a rice-wheat rotation of Ningxia irrigation district
Yang, Shiqi1,2; Wang, Yongsheng3,5; Liu, Ruliang4; Xing, Lei1,2; Yang, Zhengli1,2
2018-06-21
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume8Pages:8
Corresponding AuthorWang, Yongsheng(wyswqj@163.com)
AbstractField experiments were conducted in rice-wheat rotation under conventional management to determine the effects of straw return ((half straw return, HS) and (total straw return, TS)) on crop yield, N uptake, soil properties and soil NO3--N leaching. We found that straw return significantly increased crop yield and N uptake. TS significantly increased soil SOM at depths of 20 cm and 30 cm. Straw return had significantly increased soil NO3--N leaching at a depth of 10 cm, whereas significantly decreased soil NO3--N leaching at depths of 30 cm and 90 cm in the rice season. In wheat season, HS and TS performed better than conventional fertilization management without straw return in reducing soil NO3--N leaching at depth of 90 cm. Soil NO3--N leaching was significantly decreased through enhancing total N uptake, improving soil aggregation and decreasing soil NO3--N concentration. Our results indicated that total straw return has the potential to increase crop yield, improve soil aggregation and decrease soil NO3--N concentration, thus increasing total N uptake and reducing soil NO3--N leaching in the rice-wheat rotation system of Ningxia Yellow river irrigation district. In the future, the long-term observation of crop yield and nitrate nitrogen leaching are necessary to identify the environmentally friendly straw return practices for rice-wheat rotation.
DOI10.1038/s41598-018-27776-5
WOS KeywordYELLOW-RIVER BASIN ; NORTH CHINA PLAIN ; RECOVERY EFFICIENCY ; SOIL PROPERTIES ; UPPER REACHES ; PURPLE SOIL ; SYSTEM ; MANAGEMENT ; RETENTION ; MAIZE
Indexed BySCI
Language英语
Funding ProjectNational Water Pollution and Treatment Science and Technology Major Project[2014ZX07201-009] ; Funds for Young Scientists from Institute of Geographical Sciences and Natural Resources Research, CAS[Y6V60226YZ]
Funding OrganizationNational Water Pollution and Treatment Science and Technology Major Project ; Funds for Young Scientists from Institute of Geographical Sciences and Natural Resources Research, CAS
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000435790500037
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54620
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Yongsheng
Affiliation1.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China
2.Minist Agr, Key Lab Agroenvironm & Climate Change, Beijing 100081, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Reg Sustainable Dev Modeling, Beijing 100101, Peoples R China
4.Ningxia Acad Agr & Forestry Sci, Yinchuan 750002, Peoples R China
5.11 Datun Rd, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Yang, Shiqi,Wang, Yongsheng,Liu, Ruliang,et al. Improved crop yield and reduced nitrate nitrogen leaching with straw return in a rice-wheat rotation of Ningxia irrigation district[J]. SCIENTIFIC REPORTS,2018,8:8.
APA Yang, Shiqi,Wang, Yongsheng,Liu, Ruliang,Xing, Lei,&Yang, Zhengli.(2018).Improved crop yield and reduced nitrate nitrogen leaching with straw return in a rice-wheat rotation of Ningxia irrigation district.SCIENTIFIC REPORTS,8,8.
MLA Yang, Shiqi,et al."Improved crop yield and reduced nitrate nitrogen leaching with straw return in a rice-wheat rotation of Ningxia irrigation district".SCIENTIFIC REPORTS 8(2018):8.
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