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Effects of mulching and nitrogen on soil temperature, water content, nitrate-N content and maize yield in the Loess Plateau of China
Wang Xiukang1,2; Li Zhanbin1,2; Xing Yingying3
2015-11-01
Source PublicationAGRICULTURAL WATER MANAGEMENT
ISSN0378-3774
Volume161Pages:53-64
AbstractIn the semi-arid region of the Loess Plateau in China, the use of alternative field management practices is essential for sustainable agriculture. The purpose of this study was to investigate the effect of mulching and fertilization on the soil temperature, soil water content, soil nitrate-N content and grain yield of maize. The experiment was conducted over three consecutive years and used randomly assigned field plots with five replicates. The six treatments consisted of no fertilizer without plastic film (CK), no fertilizer with plastic film (ZM), basal fertilizer without plastic film (BN), basal fertilizer with plastic film (BM), basal and top dressing without plastic film (BTN) and basal and top dressing with plastic film (BTM). The soil temperature of the 10-cm mulching treatment was significantly higher than that of the no-mulching treatment, and the average soil temperature of the mulching treatment increased by 2.3 degrees C before July and nearly 1.2 degrees C after July. The soil water content in the mulching treatment was significantly higher than that in the no-mulching treatment at 0-60 cm, which was not significantly different from the 140-200 cm depth. The trend in the soil nitrate-N content distribution revealed symmetrical shapes along the center of the furrows, and the standard symmetrical distribution reduced gradually with an increase in soil depth under the plastic film mulching conditions. The soil nitrate-N content under basal fertilizer was 1.65 times higher than that without fertilizer at 0-10 cm at 36 days after sowing. The soil nitrate-N content in the topsoil was reduced from 48.67 to 30.77 mg/kg after 58 days. We found that plastic film mulching with basal fertilizer increased maize yield by 10.61%, 9.48%, and 15.36%, and top dressing increased the yield by 16.61%, 20.94%, and 12.24% over the three consecutive years. A treatment involving plastic film mulching, basal fertilizer and top dressing is recommended. Further studies are required to investigate the effect of mulching on increased soil temperature, soil water content and soil nitrate-N content, which simultaneously affect yield, and to determine the effects on the field microclimate. (C) 2015 Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordGrowth Period Root Zone Semi-arid Region Sustainable Agriculture Top Dressing Fertilizer
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
WOS Subject ExtendedAgriculture ; Water Resources
DOI10.1016/j.agwat.2015.07.019
WOS KeywordCROPPING SYSTEMS ; USE EFFICIENCY ; ORGANIC-MATTER ; MANAGEMENT ; GROWTH ; FERTILIZER ; MOISTURE ; TILLAGE ; QUALITY ; AFRICA
Indexed BySCI
Language英语
WOS SubjectAgronomy ; Water Resources
WOS IDWOS:000361250700006
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:53[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/67870
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang Xiukang
Affiliation1.Xian Univ Technol, Northwest Arid Reg Water Conservancy Engn State K, Xian 712100, Shaanxi, Peoples R China
2.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
3.Yanan Univ, Coll Life Sci, Yanan 716000, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Wang Xiukang,Li Zhanbin,Xing Yingying. Effects of mulching and nitrogen on soil temperature, water content, nitrate-N content and maize yield in the Loess Plateau of China[J]. AGRICULTURAL WATER MANAGEMENT,2015,161:53-64.
APA Wang Xiukang,Li Zhanbin,&Xing Yingying.(2015).Effects of mulching and nitrogen on soil temperature, water content, nitrate-N content and maize yield in the Loess Plateau of China.AGRICULTURAL WATER MANAGEMENT,161,53-64.
MLA Wang Xiukang,et al."Effects of mulching and nitrogen on soil temperature, water content, nitrate-N content and maize yield in the Loess Plateau of China".AGRICULTURAL WATER MANAGEMENT 161(2015):53-64.
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