Greener Journal of Agricultural Sciences

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Waktola et al

Greener Journal of Agricultural Sciences, Vol. 6 (2), pp. 041-048, February 2016.

ISSN: 2276-7770  

Research Paper

Manuscript Number: 112415163

 

(DOI http://doi.org/10.15580/GJAS.2016.2.112415163)


A Study on the Profitability of Fish and Horticrop Integrated Farming at Nono District, West Shoa Zone, Ethiopia

 

Belay Adugna Waktola1, Prabha Devi L.1*, Sreenivasa V.1 and Aschalew Lakew2

 

1 Department of Biology, Ambo University, Ethiopia

2 National Fishery and Other Aquatic Life Research Center, Ethiopia


Abstract

 

The study on integration of tilapia and vegetable cultivation was conducted at Silkamba, in west shoa zone, Ethiopia. The Nile tilapia fingerlings were stocked (3/m2) in an earthen pond fertilized with cow dung and poultry excreta at 3:1 ratio. A control pond was maintained without fertilization. The seedlings of the tomato (Cochoro variety) and onion (Bombay red) were planted on twelve plots prepared adjacent to the ponds. The seedlings on six treatment plots were grown by addition of the fertilized fish pond water and control plants were supplied with the control pond water. Physico-chemical parameters like dissolved oxygen, pH, carbon dioxide, alkalinity and nitrate in the treatment pond remained within the required level for the growth of Nile tilapia. The water temperature was comparatively high which was more suitable for the production of fish food organisms as well as the fish growth in the pond. The level of nitrate and total phosphorus in the treatment pond was at the suitable level which enhanced the growth of plankton and benthic organisms in the pond. The bottom soil in the treatment pond showed comparatively high level of organic carbon and organic matter than the control pond.  The number of tomato fruit and their size were higher in the treatment plots. Similarly the yield of onion from the treatment plots was higher than the control plot. The total yield of fish from the treatment was 27.22kg. The results on the analysis of expenditure and income indicated that the integration of vegetable cultivation using fish pond water alone was more profitable than the conventional method of vegetable cultivation with the application of fertilizer.

 

Key words: Tilapia, Daily Growth Rate, Specific Growth Rate, Weight Gain.


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