Arid
DOI10.1007/978-3-319-09054-2_105
Water and Soil Conservation for Improved Crop Productivity and Water Household in Sahelian Conditions
Wildemeersch, Jasmien C. J.1; Garba, Maman2; Sabiou, Mahamane2; Cornelis, Wim1
通讯作者Wildemeersch, Jasmien C. J.
会议名称12th International IAEG Congress
会议日期SEP 15-19, 2014
会议地点Torino, ITALY
英文摘要

Over the last decades, desertification, drought and erratic rainfall have become much debated and distressing issues for Niger, given the country's reliance on natural resources and agriculture for livelihood. A decisive answer on the causes and extent of both meteorological and soil water drought is therefore of importance to enable effective policy and resilience, but adaption to future climate change often entails the very same practices as rehabilitating degraded land to enhance water productivity. This paper investigates the extent of both meteorological and soil water drought in Niger by combining rainfall and soil water analysis and assesses the potential of various small scale WSC techniques to tackle crop growth limitations in Niger. It presents a trend analysis of rainfall and drought parameters and compares the effect of 5 treatments (zai + manure, demi-lunes + manure, no till with scarification + manure, control + manure and control) on crop performance and soil moisture profiles. The WSC-treatments zai and demi-lunes produce significantly higher yields due to increased soil moisture levels throughout the season. Besides the improved soil moisture conditions, the potential of WSC practices to increase the agronomic efficiency is also largely explained by their impact on the soil nutrient status.


英文关键词Drought Niger Trend analysis Water conservation Soil moisture
来源出版物ENGINEERING GEOLOGY FOR SOCIETY AND TERRITORY, VOL 3: RIVER BASINS, RESERVOIR SEDIMENTATION AND WATER RESOURCES
出版年2015
页码519-523
ISBN978-3-319-09053-5
EISBN978-3-319-09054-2
出版者SPRINGER INT PUBLISHING AG
类型Proceedings Paper
语种英语
国家Belgium;Niger
收录类别CPCI-S
WOS记录号WOS:000358990300105
WOS关键词RAINS
WOS类目Engineering, Geological ; Water Resources
WOS研究方向Engineering ; Water Resources
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/303687
作者单位1.Univ Ghent, Dept Soil Management, UNESCO Chair Eremol, B-9000 Ghent, Belgium;
2.CERA, INRAN, DGRN, Niamey, Niger
推荐引用方式
GB/T 7714
Wildemeersch, Jasmien C. J.,Garba, Maman,Sabiou, Mahamane,et al. Water and Soil Conservation for Improved Crop Productivity and Water Household in Sahelian Conditions[C]:SPRINGER INT PUBLISHING AG,2015:519-523.
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