Locally managed irrigation in the Senegal River Valley in the aftermath of state disengagement PDF Download
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Author:
Publisher: IWMI
ISBN:
Category :
Languages : en
Pages : 26
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Book Description
Author:
Publisher: IWMI
ISBN:
Category :
Languages : en
Pages : 26
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Book Description
Author:
Publisher:
ISBN:
Category : Irrigation
Languages : en
Pages : 576
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Author:
Publisher: IWMI
ISBN:
Category :
Languages : en
Pages : 213
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Book Description
Author: Hilmy Sally
Publisher: IWMI
ISBN: 9290904941
Category : Agricultural development projects
Languages : en
Pages : 384
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Book Description
Only 4 percent of arable land in sub-Saharan Africa is irrigated, using just 2 percent of the available water resources. Furthermore, 18 percent of the area equipped for irrigation is not utilized at all and the intensity of use varies between 50 percent and 80 percent. This highlights the huge potential available for intensifying and expanding irrigated area, provided that the investments required can be successfully mobilized. However, it must be noted that if investments in irrigation are to yield satisfactory returns, investments must also be made in a series of related activities. Current global figures for the amount of private investment in irrigation confirm that good returns can indeed be achieved. Prospects for sub-Saharan Africa would be far more favorable if public development assistance, particularly foreign direct investments, did not show declining trends.
Author: Keijiro Otsuka
Publisher: Springer
ISBN: 4431556931
Category : Business & Economics
Languages : en
Pages : 229
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Book Description
This book explores recent experiences in the effort to bring about a Green Revolution in Sub-Saharan Africa (SSA). The chapters focus on rice and maize, which are promising and strategic smallholder crops. Significantly, we find that an African Rice Revolution has already begun in many irrigated areas, using Asian-type modern varieties, chemical fertilizer, and improved management practices. Further, we find that the same technological package significantly increases the productivity and profitability of rice farming in rainfed areas as well. We also find evidence that that management training, when done well, can boost productivity on smallholder farms. This suggests that African governments can accelerate the pace of Africa’s Rice Revolution by strengthening extension capacity. The story for maize is wholly different, where most farmers use local varieties, apply little chemical fertilizer, and obtain very low yields. However, in the highly populated highlands of Kenya, a number of farmers have adopted high-yielding hybrid maize varieties and chemical fertilizer, as was the case in the Asian Green Revolution, apply manure produced by stall-fed cows, as was the case during the British Agricultural Revolution, and keep improved cows or cross-breeds from European cows and local stock, as was the case of the Indian White Revolution. We conclude that while rice in Africa has benefited from an Asian Green Revolution strategy that emphasizes modern seeds, inputs, and focused knowledge transfers, the success of Africa’s Maize Revolution will require a different system approach based on hybrid maize, chemical and organic fertilizers, and stall-fed cross-bred cows.
Author: D. L. Vermillion
Publisher: IWMI
ISBN:
Category : Irrigation
Languages : en
Pages : 43
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Book Description
Evaluates data from 29 different studies on irrigation management transfer to assess the impacts of transfer on various aspects of irrigation system management. Twelve guiding principles to ensure a more systematic approach to research on the impacts of management transfer are proposed. Identifies key research propositions on the conditions necessary for transfer programs to succeed.
Author:
Publisher: IWMI
ISBN: 9290903457
Category : Irrigation
Languages : en
Pages : 43
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Book Description
Author: Yazon Gnoumou
Publisher:
ISBN:
Category :
Languages : en
Pages : 212
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Author:
Publisher:
ISBN:
Category : Deregulation
Languages : en
Pages : 290
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Author:
Publisher:
ISBN:
Category : Fertilizers
Languages : en
Pages : 1066
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Book Description
