Using the fishpond as an improved nutrient trap for recycling nutrients on farm in North East Thailand and Mymensingh, Bangladesh

Kabir M. Shamsul; M. Abdul Wahab; Chittra Arjinkit; Danai Turongrouang; Roel H. Bosma; Marc C.J. Verdegem

Using the fishpond as an improved nutrient trap for recycling nutrients on farm in North East Thailand and Mymensingh, Bangladesh

In: Fishponds in farming systems

Authors:

Kabir M. Shamsul

Kabir M. Shamsul ¹Bangladesh Agriculture University, Dep. Fisheries Management, Mymensingh, Bangladesh

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M. Abdul Wahab

M. Abdul Wahab ¹Bangladesh Agriculture University, Dep. Fisheries Management, Mymensingh, Bangladesh

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Chittra Arjinkit

Chittra Arjinkit ³Sisaket College of Agriculture & Technology, 91/14 Kusikum road, Sisaket, Thailand

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Danai Turongrouang

Danai Turongrouang ³Sisaket College of Agriculture & Technology, 91/14 Kusikum road, Sisaket, Thailand

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Roel H. Bosma

Roel H. Bosma ²Aquaculture and Fisheries Group, Wageningen University, P.O. Box 338, 6700 AH Wageningen, The Netherlands; marc.verdegem@wur.nl

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Marc C.J. Verdegem

Marc C.J. Verdegem ²Aquaculture and Fisheries Group, Wageningen University, P.O. Box 338, 6700 AH Wageningen, The Netherlands; marc.verdegem@wur.nl

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Type:: Chapter

Pages:: 97–104

DOI:: https://doi.org/10.3920/9789086865963_011

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Various experiments were conducted in Bangladesh and Northeast Thailand to evaluate the use of fishponds as nutrient traps in integrated farming systems. All ponds accumulated nutrients, but the amount accumulated was influenced by the types of inputs, the species stocked and densities used. Results suggest, that the higher the percentage of input nutrients retained in fish production, the better the cost : income ratio. The latter is very important, especially for poor farmers in the prevailing cash constrained local economies. Pond farming systems used by poor farmers yielded a higher cost : income ratio than systems applied by better-off farmers due to the polyculture and to the use of the pond sediment on the crops at the dyke. However, more nutrients accumulated in the sediment of better-off farmers, due to the additional application of feed. This higher pond sediment nutrient content makes it a better fertiliser for dyke-based crop production. How to reduce the labour demand for the use of pond sediments for crop production is an important topic for further research.

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Fishponds in farming systems

E-Book ISBN:: 9789086865963

Publisher:: Wageningen Academic

Print Publication Date:: 30 Oct 2007

Subjects
- Life Sciences

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Using the fishpond as an improved nutrient trap for recycling nutrients on farm in North East Thailand and Mymensingh, Bangladesh

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Fishponds in farming systems

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