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Fish polyculture system integrated with vegetable farming improves yield and economic benefits of small-scale farmers.

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dc.creator Samwel Mchele Limbu
dc.creator Amon P., Shoko
dc.creator Hieromin Amon, Lamtane
dc.creator Mary Alphonce, Kishe-Machumu
dc.creator Masanja Charles, Jorum
dc.creator Athanasio S., Mbonde
dc.creator Huruma Fredrick, Mgana
dc.creator Yunus Daud, Mgaya
dc.date 2019-05-07T13:02:28Z
dc.date 2019-05-07T13:02:28Z
dc.date 2016-09-12
dc.date.accessioned 2021-05-07T07:47:50Z
dc.date.available 2021-05-07T07:47:50Z
dc.identifier http://hdl.handle.net/20.500.11810/5212
dc.identifier http://dx.doi.org/10.1111/are.13188
dc.identifier.uri http://hdl.handle.net/20.500.11810/5212
dc.description This study explored the yield and economic benefits of African sharptooth catfish, Clarias gariepinus, and Nile tilapia, Oreochromis niloticus polyculture, reared in earthen ponds for 270 days integrated with Chinese cabbage, Brassica rapa chinensis, farmed for 45 days to small‐scale farmers in Tanzania. An integrated aquaculture–agriculture (IAA) system involving fishes and vegetables resulted in three and 2.5 times higher net yield than the culture of fishes alone and farming of non‐integrated vegetables respectively. Vegetables irrigated with pond water resulted in 1.8 times higher net and annual yields than those irrigated with stream water. The practice of fish–vegetable integration and growing of vegetables irrigated with pond water produced 14 and 13 times higher net annual yield, respectively, than the culture of fishes alone. The integrated system produced 20 and 150 times more net returns compared with vegetables irrigated with pond and stream water respectively. Integrating fishes with vegetables resulted in significantly higher annual net cash flow than the farming of fishes and vegetables separately. The study revealed that integrating fishes with B. rapa chinensis increases yields, income and food production to small‐scale farmers. Thus, small‐scale farmers can adopt IAA technology to meet the increasing demand of fish and vegetables, stabilize their incomes and diversify food production, consequently improving food security. These benefits will be realized by providing proper training in IAA technology and management skills to small‐scale farmers.
dc.description The Government of Republic of Tanzania through Commission for Science and Technology (COSTECH) under the ‘KILIMO KWANZA’ initiative
dc.publisher Wiley
dc.subject yield
dc.subject fish culture
dc.subject vegetable farming
dc.subject integrated aquaculture–agriculture
dc.subject net return
dc.subject annual net cash flow
dc.title Fish polyculture system integrated with vegetable farming improves yield and economic benefits of small-scale farmers.
dc.type Journal Article, Peer Reviewed


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