ISWC OpenIR  > 水保所科研产出--SCI  > 2018--SCI
Effects of gravel mulching on yield and multilevel water use efficiency of wheat-maize cropping system in semi-arid region of Northwest China
Donglin Wang1,2; Hao Feng3; Xiaoqing Liu1; Yi Li1; Lifeng Zhou1; Afeng Zhang4; Miles Dyck5; Feng, H (reprint author), Chinese Acad Sci & Minist Water Resources, Inst Water & Soil Conservat, Yangling 712100, Peoples R China.
SubtypeArticle
2018
Source PublicationFIELD CROPS RESEARCH
ISSN0378-4290
Volume218Pages:201-212
AbstractGravel mulching technology has been applied in the arid and semi-arid regions of Northwest China for many years. However, systematic field studies concerning its effects on ecological effects and water productivity are insufficient. A field study was conducted during two consecutive cycles of Wheat-Maize cropping system in the Yangling District of Northwest China to evaluate water productivity and crop productivity with the four treatment combinations: CK (control, no mulching), WCK (CK plus 50 mm irrigation), GM (CK plus 8 kg/m(2) gravel mulching, covering 100% of soil surface) and WGM (WCK plus GM). Soil temperature, soil moisture, total biomass and yield were significantly increased, whereas CO2 emissions were decreased by gravel mulching treatment over the control. System yield improved by 19.87% and 15.59% by applying 50 mm irrigation, 53.58% and 43.18% by applying gravel mulching and 60.64% and 48.28% by applying gravel mulching and 50 mm irrigation over the control during both the cycle of Wheat-Maize rotation, respectively. Gravel mulching results in a positive contribution to annual net primary productivity (NPP) and net ecosystem exchange (NEP), and high-water use efficiency (WUE) were achieved under gravel mulching treatment for the two rotation cycles. Annual WUEeco and WUEyield significantly increased by 40.6% and 49.2% and 57.6% and 51.4% under the gravel mulching treatment over the control during the two cycles, respectively. However, during cycle 1 WUEveg and WUEbio did not significantly affected whereas during cycle 2 it affected, with a maximum value of 14.4 kg ha(-1) mm(-1) in WGM and 47.1 +/- 5.1 kg ha(-1) mm(-1) in GM, respectively. Taking into account crop yield, ecological effects and water use, covering the soil with gravel is an effective approach to enhance multi-level water use efficiency while increasing the productivity of wheat-maize cropping system in semi-arid regions of China.
KeywordGravel Mulching Co2 Emission Yield Water Use Efficiency Wheat-maize Rotation System
Subject AreaAgriculture
DOI10.1016/j.fcr.2017.12.001
Indexed BySCI
Publication PlacePO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Language英语
WOS IDWOS:000427208600021
PublisherELSEVIER SCIENCE BV
Funding OrganizationNational High Technology Research and Development Program of China [2013AA102904] ; National High Technology Research and Development Program of China [2013AA102904] ; National Natural Science Foundation of China [41371234] ; National Natural Science Foundation of China [41371234] ; Ministry of Education ; Ministry of Education ; State Administration of Foreign ExpertsAffairs [B12007] ; State Administration of Foreign ExpertsAffairs [B12007]
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8276
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorFeng, H (reprint author), Chinese Acad Sci & Minist Water Resources, Inst Water & Soil Conservat, Yangling 712100, Peoples R China.
Affiliation1.Northwest A&F Univ, Coll Water Resources & Architectural Engn, Yangling 712100, Peoples R China
2.Inst Water Conservancy Sci Res Henan Prov, Zhengzhou 450000, Henan, Peoples R China
3.Chinese Acad Sci & Minist Water Resources, Inst Water & Soil Conservat, Yangling 712100, Peoples R China
4.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Peoples R China
5.Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2E3, Canada
Recommended Citation
GB/T 7714
Donglin Wang,Hao Feng,Xiaoqing Liu,et al. Effects of gravel mulching on yield and multilevel water use efficiency of wheat-maize cropping system in semi-arid region of Northwest China[J]. FIELD CROPS RESEARCH,2018,218:201-212.
APA Donglin Wang.,Hao Feng.,Xiaoqing Liu.,Yi Li.,Lifeng Zhou.,...&Feng, H .(2018).Effects of gravel mulching on yield and multilevel water use efficiency of wheat-maize cropping system in semi-arid region of Northwest China.FIELD CROPS RESEARCH,218,201-212.
MLA Donglin Wang,et al."Effects of gravel mulching on yield and multilevel water use efficiency of wheat-maize cropping system in semi-arid region of Northwest China".FIELD CROPS RESEARCH 218(2018):201-212.
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