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COMPETITIVE INTERACTION BETWEEN MIXED-PLANTING MAIZE CULTIVARS ENHANCED YIELD AND WATER-USE EFFICIENCY IN A SEMI-ARID REGION
Wang, Xiaolin1; Ren, Yuanyuan2; Chen, Yinglong3,4; Zhang, Suiqi3,4
2018
Source PublicationTURKISH JOURNAL OF FIELD CROPS
ISSN1301-1111
Volume23Issue:1Pages:1-11
Corresponding AuthorZhang, Suiqi(sqzhang@ms.iswc.ac.cn)
AbstractEffects of competitive interaction between two mixed planting maize (Zea mays L.) cultivars on yield and water use efficiency are inevitable and the positive process needs more excavation. Two maize cultivars were mixed planting in two densities to explicit the potential of competitive interaction improving yield and water use efficiency in a semi-arid region over two growing seasons. During grain filling stage firstly, competitive interaction optimized stem to leaf ratio of two maize cultivars, and decreased root to shoot ratio at harvest under the same-high mixed planting density, great competitive intensity caused by high planting density suppressed vegetative growth of maize. Secondly, land equivalent ratio positively increased from 1.02 to 1.14, which signified the advantage of farming land use. Furthermore, positive values of total actual yield loss in the four mixed systems indicated a yield advantage. Over two years, mean yield and water use efficiency increased by 6.5 % and 11.7 % which resulted from the positive performance of two maize cultivars in the mixed systems. Thus, consequences of competitive interaction in the mixed planting systems performed as land use, maize yield and water use efficiency advantages in the dry land farming.
KeywordMaize cultivars mixture competitive parameter yield and water use efficiency advantage
DOI10.17557/tjfc.413808
WOS KeywordLAND-EQUIVALENT RATIO ; ROOT COMPETITION ; INTERSPECIFIC COMPETITION ; INTERCROPPING SYSTEMS ; CROP PRODUCTIVITY ; BIOMASS YIELD ; GROWTH ; DENSITY ; SHOOT ; ADVANTAGES
Indexed BySCI
Language英语
Funding ProjectNational Science and Technology Supporting Programs[2015BAD22B01] ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau[A314021403-C5] ; Chinese Academy of Sciences[A315021449]
Funding OrganizationNational Science and Technology Supporting Programs ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau ; Chinese Academy of Sciences
WOS Research AreaAgriculture
WOS SubjectAgronomy
WOS IDWOS:000441467500001
PublisherSOC FIELD CROP SCI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54553
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Suiqi
Affiliation1.Yulin Univ, Coll Life Sci, Yulin, Shaanxi, Peoples R China
2.Baoji Univ ofArts & Sci, Geog & Environm Engn Dept, Baoji, Shaanxi, Peoples R China
3.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Shaanxi, Peoples R China
4.Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xiaolin,Ren, Yuanyuan,Chen, Yinglong,et al. COMPETITIVE INTERACTION BETWEEN MIXED-PLANTING MAIZE CULTIVARS ENHANCED YIELD AND WATER-USE EFFICIENCY IN A SEMI-ARID REGION[J]. TURKISH JOURNAL OF FIELD CROPS,2018,23(1):1-11.
APA Wang, Xiaolin,Ren, Yuanyuan,Chen, Yinglong,&Zhang, Suiqi.(2018).COMPETITIVE INTERACTION BETWEEN MIXED-PLANTING MAIZE CULTIVARS ENHANCED YIELD AND WATER-USE EFFICIENCY IN A SEMI-ARID REGION.TURKISH JOURNAL OF FIELD CROPS,23(1),1-11.
MLA Wang, Xiaolin,et al."COMPETITIVE INTERACTION BETWEEN MIXED-PLANTING MAIZE CULTIVARS ENHANCED YIELD AND WATER-USE EFFICIENCY IN A SEMI-ARID REGION".TURKISH JOURNAL OF FIELD CROPS 23.1(2018):1-11.
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