Two field experiments were carried out during
growing seasons 2011 and 2012. It was executed in research farm of National
Research Center in Nubaryia region, Egypt to study the effect of irrigation
systems, fertigation rates by using the wastewater of fish farms “WWFF” in
irrigation of potato. Study factors were irrigation systems (sprinkler
irrigation system “SIS” and trickle irrigation system “TIS”), water quality
(traditional irrigation water “TIW” and WWFF) and fertigation rates “FR” (20%,
40%, 60%, 80% and 100% NPK). The following parameters were studied to evaluate
the effect of study factors: 1) Calculating the total amount of WWFF per season;
2) Chemical and biological description of WWFF; 3) Clogging ratio of emitters;
4) Yield of potato; 5) Irrigation water use efficiency of potato “IWUEpotato”.
Statistical analysis indicated that, maximum values were obtained of yield
under SIS × FR100% NPK × WWFF, also, there were no significant
differences for yield values under the following conditions: SIS × FR100% NPK × WWFF > SIS × FR80% NPK × WWFF > SIS × FR60% NPK ×
WWFF > TIS × FR100% NPK × TIW. This means that, using WWFF in the
irrigation can save at least 40% from mineral fertilizers and 100% from
irrigation water under sprinkler irrigation system.
Cite this paper
Ramadan Eid, A. , Hoballah, E. and Mosa, S. (2014) Sustainable Mangement of Drainage Water of Fish Farms in Agriculture as a New Source for Irrigation and Bio-Source for Fertilizing. Agricultural Sciences
, 730-742. doi: 10.4236/as.2014.58077
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