Waktola Et Al

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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