Arid
DOI10.1080/00380768.2011.593155
"Fallow Band System," a land management practice for controlling desertification and improving crop production in the Sahel, West Africa. 1. Effectiveness in desertification control and soil fertility improvement
Ikazaki, Kenta1,2; Shinjo, Hitoshi; Tanaka, Ueru2; Tobita, Satoshi3; Funakawa, Shinya2; Kosaki, Takashi4
通讯作者Ikazaki, Kenta
来源期刊SOIL SCIENCE AND PLANT NUTRITION
ISSN0038-0768
出版年2011
卷号57期号:4页码:573-586
英文摘要

Wind erosion is a major contributor to desertification in the Sahel. Although three effective countermeasures for wind erosion (i.e. ridging, mulching with post-harvest crop residue, and windbreaks) have been proposed, they are not practical for Sahelian farmers. Therefore, we designed a new land management practice, termed the "Fallow Band System," which can be used for both controlling wind erosion and improving soil fertility and crop production. This method does not impose additional expense and labor requirements on Sahelian farmers who are economically challenged and have limited manpower. The objective of this study was to evaluate the effects of this system on wind-erosion control and soil-fertility improvement. We conducted field experiments at the International Crops Research Institute for the Semi-Arid Tropics West and Central Africa and showed that (i) a fallow band can capture 74% of wind-blown soil particles and 58% of wind-blown coarse organic matter, which suggests that it can effectively control wind erosion, (ii) the amount of soil nutrients available for crops in a former fallow band was increased by the decomposition of trapped soil materials containing considerable amounts of nutrients, and (iii) the amount of soil water available for crops in a former fallow band was increased by the trapped wind-blown soil materials through improvement of rainwater infiltration into surface soil. These results lead to the conclusion that the "Fallow Band System" can be useful for preventing desertification and improving soil fertility in the Sahel, West Africa.


英文关键词countermeasure against desertification "do-nothing" practice practicality for farmer soil conservation wind erosion control
类型Article
语种英语
国家Japan
收录类别SCI-E
WOS记录号WOS:000294980300010
WOS关键词WIND EROSION CONTROL ; SANDY SOILS ; ORGANIC-MATTER ; PEARL-MILLET ; CRUST FORMATION ; NIGER ; DECOMPOSITION ; CONSEQUENCES ; INFILTRATION ; SEDIMENT
WOS类目Plant Sciences ; Environmental Sciences ; Soil Science
WOS研究方向Plant Sciences ; Environmental Sciences & Ecology ; Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/170589
作者单位1.Kyoto Univ, Grad Sch Agr, Lab Soil Sci, Sakyo Ku, Kyoto 6068502, Japan;
2.Kyoto Univ, Grad Sch Global Environm Studies, Sakyo Ku, Kyoto 6068501, Japan;
3.JIRCAS, Tsukuba, Ibaraki 3058686, Japan;
4.Tokyo Metropolitan Univ, Grad Sch Urban Environm Sci, Tokyo 1920364, Japan
推荐引用方式
GB/T 7714
Ikazaki, Kenta,Shinjo, Hitoshi,Tanaka, Ueru,et al. "Fallow Band System," a land management practice for controlling desertification and improving crop production in the Sahel, West Africa. 1. Effectiveness in desertification control and soil fertility improvement[J],2011,57(4):573-586.
APA Ikazaki, Kenta,Shinjo, Hitoshi,Tanaka, Ueru,Tobita, Satoshi,Funakawa, Shinya,&Kosaki, Takashi.(2011)."Fallow Band System," a land management practice for controlling desertification and improving crop production in the Sahel, West Africa. 1. Effectiveness in desertification control and soil fertility improvement.SOIL SCIENCE AND PLANT NUTRITION,57(4),573-586.
MLA Ikazaki, Kenta,et al.""Fallow Band System," a land management practice for controlling desertification and improving crop production in the Sahel, West Africa. 1. Effectiveness in desertification control and soil fertility improvement".SOIL SCIENCE AND PLANT NUTRITION 57.4(2011):573-586.
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