Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/S2095-3119(17)61833-1 |
Estimation of irrigation requirements for drip-irrigated maize in a sub-humid climate | |
Liu Yang1,2,3; Yang Hai-shun3; Li Jiu-sheng2; Li Yan-feng2; Yan Hai-jun1 | |
通讯作者 | Li Jiu-sheng ; Yan Hai-jun |
来源期刊 | JOURNAL OF INTEGRATIVE AGRICULTURE
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ISSN | 2095-3119 |
出版年 | 2018 |
卷号 | 17期号:3页码:677-692 |
英文摘要 | Drip-irrigation is increasingly applied in maize (Zea mays L.) production in sub-humid region. It is critical to quantify irrigation requirements during different growth stages under diverse climatic conditions. In this study, the Hybrid-Maize model was calibrated and applied in a sub-humid Heilongjiang Province in Northeast China to estimate irrigation requirements for dripirrigated maize during different crop physiological development stages and under diverse agro-climatic conditions. Using dimensionless scales, the whole growing season of maize was divided into diverse development stages from planting to maturity. Drip-irrigation dates and irrigation amounts in each irrigation event were simulated and summarized in 30-year simulation from 1981 to 2010. The maize harvest area of Heilongjiang Province was divided into 10 agro-climatic zones based on growing degree days, arid index, and temperature seasonality. The simulated results indicated that seasonal irrigation requirements and water stress during different growth stages were highly related to initial soil water content and distribution of seasonal precipitation. In the experimental site, the average irrigation amounts and times ranged from 48 to 150 mm with initial soil water content decreasing from 100 to 20% of the maximum soil available water. Additionally, the earliest drip-irrigation event might occur during 3-to 8-leaf stage. The water stress could occur at any growth stages of maize, even in wet years with abundant total seasonal rainfall but poor distribution. And over 50% of grain yield loss could be caused by extended water stress during the kernel setting window and grain filling period. It is estimated that more than 94% of the maize harvested area in Heilongjiang Province needs to be irrigated although the yield increase varied (0 to 109%) in diverse agro-climatic zones. Consequently, at least 14% of more maize production could be achieved through drip-irrigation systems in Heilongjiang Province compared to rainfed conditions. |
英文关键词 | drip irrigation irrigation requirements maize agro-climatic regionlization crop simulation sub-humid climate |
类型 | Article |
语种 | 英语 |
国家 | Peoples R China ; USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000432529600017 |
WOS关键词 | NORTHEAST CHINA ; HYBRID-MAIZE ; CROP YIELD ; SOCIOECONOMIC-FACTORS ; SEMIARID ENVIRONMENT ; WATER PRODUCTIVITY ; SIMULATION-MODEL ; SOIL-TEMPERATURE ; CHANGING CLIMATE ; CORN PRODUCTION |
WOS类目 | Agriculture, Multidisciplinary |
WOS研究方向 | Agriculture |
来源机构 | 中国农业大学 |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/211113 |
作者单位 | 1.China Agr Univ, Coll Water Resources & Civil Engn, Beijing 100083, Peoples R China; 2.China Inst Water Resources & Hydropower Res, State Key Lab Simulat & Regulat Water Cycle River, Beijing 100048, Peoples R China; 3.Univ Nebraska, Dept Agron & Hort, Lincoln, NE 68503 USA |
推荐引用方式 GB/T 7714 | Liu Yang,Yang Hai-shun,Li Jiu-sheng,et al. Estimation of irrigation requirements for drip-irrigated maize in a sub-humid climate[J]. 中国农业大学,2018,17(3):677-692. |
APA | Liu Yang,Yang Hai-shun,Li Jiu-sheng,Li Yan-feng,&Yan Hai-jun.(2018).Estimation of irrigation requirements for drip-irrigated maize in a sub-humid climate.JOURNAL OF INTEGRATIVE AGRICULTURE,17(3),677-692. |
MLA | Liu Yang,et al."Estimation of irrigation requirements for drip-irrigated maize in a sub-humid climate".JOURNAL OF INTEGRATIVE AGRICULTURE 17.3(2018):677-692. |
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