Assessing impacts of water harvesting techniques on the water footprint of sorghum in Western Sudan

被引：6

作者：

Ali, Abubaker B. ^{[1
]}

Li Hong ^{[1
]}

Elshaikh, Nazar A. ^{[2
]}

Yan Haofang ^{[1
]}

机构：

[1] Jiangsu Univ, Key Lab Water Saving Irrigat, Res Ctr Fluid Machinery & Engn, Natl Res Ctr Pumps, Zhenjiang 212013, Peoples R China

[2] Hohai Univ, Coll Water Conservancy & Hydropower, State Key Lab Efficient Irrigat Drainage & Agr So, Nanjing, Jiangsu, Peoples R China

来源：

OUTLOOK ON AGRICULTURE | 2016年 / 45卷 / 03期

关键词：

blue water; green water; rainwater harvesting; water footprint;

D O I：

10.1177/0030727016665034

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Improving the water footprint (WFP) of crops through the implementation of water harvesting techniques (WHT) can help save water and enhance crop production. This study investigated the impact of different WHTs on the green, blue and total WFP components of sorghum production in Western Sudan. Water harvesting was used as a tool for reducing water consumption and minimizing the WFP in two consecutive rainy seasons in 2012 and 2013. The average WFP for sorghum was estimated to be 1100 m(3) ton(-1), with the green component providing the highest contribution. According to WFP analysis there were significant differences between WHT treatments (p <= 0.05) with tide ridging providing the greatest reduction (79%) compared to other treatments including ridging (71%) and basin (58%), respectively. A similar trend was found regarding soil moisture, fresh, dry matter and productivity (yield). The blue water component has an important impact on the total WFP for sorghum production.

引用

页码：185 / 191

页数：7

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