Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1007/s10333-019-00710-9 |
| Suitable inflow rate and furrow length for simplified surge flow irrigation | |
| Onishi, Junya1; Ikeura, Hiroshi1; Paluashova, Gaukhar K.2; Shirokova, Yulia I.2; Kitamura, Yoshinobu3; Fujimaki, Haruyuki4 | |
| 通讯作者 | Onishi, Junya |
| 来源期刊 | PADDY AND WATER ENVIRONMENT
 |
| ISSN | 1611-2490 |
| EISSN | 1611-2504 |
| 出版年 | 2019 |
| 卷号 | 17期号:2页码:185-193 |
| 英文摘要 | In the arid lands covering Uzbekistan, furrow irrigation with low application efficiency is still widely used due to a lack of funds and shortage of labor. To save water and prevent secondary salinization caused by excessive irrigation, it is important to adopt low-cost and easy water-saving irrigation methods. Onishi et al. (2017) proposed simplified surge flow (SF) irrigation that does not require expensive equipment and merely divides the water supply into two phases at 1-day intervals. This study investigated the suitable inflow rate and furrow length of simplified SF to improve water application efficiency in Uzbekistan. Five experimental plots (total area of 2,250m(2), with 25 furrows) were set up, and the inflow rates for two plots were 5 Ls(-1) (F5.0) and that for the others were 1.7 Ls(-1) (F1.7). The conventional irrigation method (F5.0C and F1.7C) and simplified SF (F5.0S and F1.7S) were applied to cases of furrow length of 100m under each inflow rate. In addition, simplified SF was applied on a 50-m furrow at F1.7 (F1.7S-50). In the first irrigation using simplified SF, water was supplied from the start point of the furrow (0m) for half of the furrow length (50m, 25m). In the second irrigation, water was supplied from the start point to the end of the furrow (100m, 50m). The application efficiency in F1.7S and F1.7S-50 was higher than that in F1.7C and F1.7C-50, and the highest was in F1.7S-50. The water supply duration was shorter in F5.0S, but the total volume of supplied water was larger than that of F1.7C. These results indicate that shortening furrow length might be an effective way to save water using simplified SF with a low inflow rate, and in contrast, that it is necessary to extend furrow length with a high inflow rate. |
| 英文关键词 | Arid land Salinization Water saving Furrow irrigation Surge flow irrigation |
| 类型 | Article ; Proceedings Paper |
| 语种 | 英语 |
| 国家 | Japan ; Uzbekistan |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000468986100015 |
| WOS关键词 | SALINITY |
| WOS类目 | Agricultural Engineering ; 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/2XILL650/217831 |
| 作者单位 | 1.Japan Int Res Ctr Agr Sci, Rural Dev Div, 1-1 Owashi, Tsukuba, Ibaraki 3058686, Japan; 2.Res Inst Irrigat & Water Problem Uzbekistan, Bldg 11,Qarasu 4, Tashkent, Uzbekistan; 3.Tottori Univ, IPDRE, 1390 Hamasaka, Tottori, Tottori 6800001, Japan; 4.Tottori Univ, Arid Land Res Ctr, 1390 Hamasaka, Tottori, Tottori 6800001, Japan |
| 推荐引用方式 GB/T 7714 | Onishi, Junya,Ikeura, Hiroshi,Paluashova, Gaukhar K.,et al. Suitable inflow rate and furrow length for simplified surge flow irrigation[J],2019,17(2):185-193. |
| APA | Onishi, Junya,Ikeura, Hiroshi,Paluashova, Gaukhar K.,Shirokova, Yulia I.,Kitamura, Yoshinobu,&Fujimaki, Haruyuki.(2019).Suitable inflow rate and furrow length for simplified surge flow irrigation.PADDY AND WATER ENVIRONMENT,17(2),185-193. |
| MLA | Onishi, Junya,et al."Suitable inflow rate and furrow length for simplified surge flow irrigation".PADDY AND WATER ENVIRONMENT 17.2(2019):185-193. |
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