COMPETITIVE INTERACTION BETWEEN MIXED-PLANTING MAIZE CULTIVARS ENHANCED YIELD AND WATER-USE EFFICIENCY IN A SEMI-ARID REGION

doi:10.17557/tjfc.413808

	COMPETITIVE INTERACTION BETWEEN MIXED-PLANTING MAIZE CULTIVARS ENHANCED YIELD AND WATER-USE EFFICIENCY IN A SEMI-ARID REGION
	Wang, Xiaolin 1; Ren, Yuanyuan 2; Chen, Yinglong 3,4; Zhang, Suiqi 3,4
刊名	TURKISH JOURNAL OF FIELD CROPS
	2018
卷号	23 期号:1 页码:1-11
关键词	Maize cultivars mixture competitive parameter yield and water use efficiency advantage
ISSN号	1301-1111
DOI	10.17557/tjfc.413808
通讯作者	Zhang, Suiqi(sqzhang@ms.iswc.ac.cn)
英文摘要	Effects 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.
资助项目	National 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]
WOS关键词	LAND-EQUIVALENT RATIO ; ROOT COMPETITION ; INTERSPECIFIC COMPETITION ; INTERCROPPING SYSTEMS ; CROP PRODUCTIVITY ; BIOMASS YIELD ; GROWTH ; DENSITY ; SHOOT ; ADVANTAGES
WOS研究方向	Agriculture
语种	英语
出版者	SOC FIELD CROP SCI
WOS记录号	WOS:000441467500001
资助机构	National Science and Technology Supporting Programs ; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau ; Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/54552]
专题	中国科学院地理科学与资源研究所
通讯作者	Zhang, Suiqi
作者单位	1.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
推荐引用方式 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.