干旱区生态环境知识资源中心(Arid): Adapting Root Distribution and Improving Water Use Efficiency via Drip Irrigation in a Jujube (Zizyphus jujube Mill.) Orchard after Long-Term Flood Irrigation

Arid

DOI	10.3390/agriculture11121184
	Adapting Root Distribution and Improving Water Use Efficiency via Drip Irrigation in a Jujube (Zizyphus jujube Mill.) Orchard after Long-Term Flood Irrigation
	Li, Zhaoyang; Zong, Rui; Wang, Tianyu; Wang, Zhenhua; Zhang, Jinzhu
通讯作者	Wang, ZH (corresponding author), Shihezi Univ, Coll Water & Architectural Engn, Shihezi 832000, Peoples R China.
来源期刊	AGRICULTURE-BASEL
EISSN	2077-0472
出版年	2021
卷号	11 期号:12
英文摘要	Jujube tree yields in dryland saline soils are restricted by water shortages and soil salinity. Converting traditional flood irrigation to drip irrigation would solve water deficit and salt stress. The root distribution reacts primarily to the availability of water and nutrients. However, there is little information about the response of jujube roots to the change from flood irrigation to drip irrigation. In this context, a two-year experiment was carried out to reveal the effects of the change from long-term flood irrigation to drip irrigation on soil water, root distribution, fruit yield, and water use efficiency (WUE) of jujube trees. In this study, drip irrigation amounts were designed with three levels, i.e., 880 mm (W1), 660 mm (W2), 440 mm (W3), and the flood irrigation of 1100 mm was designed as the control (CK). The results showed that replacing flood irrigation with drip irrigation significantly altered soil water distribution and increased soil moisture in the topsoil (0-40 cm). In the drip irrigation treatments with high levels, soil water storage in the 0-60 cm soil layer at the flowering and fruit setting, and fruit swelling stages of jujube trees increased significantly compared with the flood irrigation. After two consecutive years of drip irrigation, the treatments with higher irrigation levels increased root length density (RLD) in 0-60 cm soil depth but decreased that in the 60-100 cm depth. In the horizontal direction, higher irrigation levels increased RLD in the distance of 0-50 cm, while reducing RLD in the distance of 50-100 cm. However, the opposite conclusion was obtained in W3 treatment. Additionally, in the second year of drip irrigation, W2 treatment (660 mm) significantly improved yield and WUE, with an increasing of 7.6% for yield and 60.3% for WUE compared to the flood irrigation. In summary, converting flood irrigation to drip irrigation is useful in regulating root distribution and improving WUE, which would be a promising method in jujube cultivation in arid regions.
英文关键词	drip irrigation root length density jujube tree soil moisture water use efficiency
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000735369400001
WOS关键词	REGULATED DEFICIT IRRIGATION ; YIELD ; GROWTH ; NITROGEN ; COTTON ; EVAPOTRANSPIRATION ; RESPONSES ; DROUGHT ; PATTERN ; TREES
WOS类目	Agronomy
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/373912
作者单位	[Li, Zhaoyang; Zong, Rui; Wang, Tianyu; Wang, Zhenhua; Zhang, Jinzhu] Shihezi Univ, Coll Water & Architectural Engn, Shihezi 832000, Peoples R China; [Li, Zhaoyang] Tarim Univ, Coll Water Conservancy & Architecture Engn, Alaer 843300, Peoples R China
推荐引用方式 GB/T 7714	Li, Zhaoyang,Zong, Rui,Wang, Tianyu,et al. Adapting Root Distribution and Improving Water Use Efficiency via Drip Irrigation in a Jujube (Zizyphus jujube Mill.) Orchard after Long-Term Flood Irrigation[J],2021,11(12).
APA	Li, Zhaoyang,Zong, Rui,Wang, Tianyu,Wang, Zhenhua,&Zhang, Jinzhu.(2021).Adapting Root Distribution and Improving Water Use Efficiency via Drip Irrigation in a Jujube (Zizyphus jujube Mill.) Orchard after Long-Term Flood Irrigation.AGRICULTURE-BASEL,11(12).
MLA	Li, Zhaoyang,et al."Adapting Root Distribution and Improving Water Use Efficiency via Drip Irrigation in a Jujube (Zizyphus jujube Mill.) Orchard after Long-Term Flood Irrigation".AGRICULTURE-BASEL 11.12(2021).