International Journal of Agricultural Engineering

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Effect of Wastewater Irrigation with Zinc Application on Okra Crop


Affiliations
1 Department of Soil and Water Engineering, Rajendra Agricultural University, Pusa, Samastipur (Bihar), India
     

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An investigation was carried out to evaluate the effect of wastewater irrigation and zinc combination on growth and yield of okra (Abelmoschus esculentus). The pot experiment was conducted for okra crop var. INDAM-9821 duringKharif season of the year 2011. The experiment was designed as per Factorial Completely Randomized Design (FCRD) with four irrigation treatments, four zinc treatments and three replications. The irrigation treatments consisted of all fresh water irrigation, two fresh and one sewage water irrigation, alternate fresh and sewage water irrigation and all sewage water irrigation. The zinc treatments consisted of application of Zn @ 0.0, 2.5, 5.0 and 7.5 kg Zn/ha. The study revealed that alternate irrigation with fresh water and wastewater along with the application of Zn @ 5.0 kg/ha resulted in better crop growth, early flowering and highest yield of okra. The maximum concentration of Zn (51.50 mg/kg), Mn (37.84 mg/kg) were found in fruits under treatment alternate irrigation with application of Zn @ 5.0 kg/ha. The concentration of Fe in okra fruits maximum (871.67 mg/kg) in treatment all waste water irrigation with no application of zinc. Similarly, regarding the plant residue (dry matter) the highest concentrations of Zn (88.54 mg/kg), Mn (59.56 mg/kg) were also seen for treatment alternate irrigation with application of Zn @ 5.0 kg/ha, while maximum concentration of Fe (1531.34 mg/kg) was showed in alternate irrigation with no application of Zn.

Keywords

Okra, Wastewater, Irrigation, Zinc.
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  • Effect of Wastewater Irrigation with Zinc Application on Okra Crop

Abstract Views: 310  |  PDF Views: 0

Authors

Govind Kumar Maurya
Department of Soil and Water Engineering, Rajendra Agricultural University, Pusa, Samastipur (Bihar), India

Abstract


An investigation was carried out to evaluate the effect of wastewater irrigation and zinc combination on growth and yield of okra (Abelmoschus esculentus). The pot experiment was conducted for okra crop var. INDAM-9821 duringKharif season of the year 2011. The experiment was designed as per Factorial Completely Randomized Design (FCRD) with four irrigation treatments, four zinc treatments and three replications. The irrigation treatments consisted of all fresh water irrigation, two fresh and one sewage water irrigation, alternate fresh and sewage water irrigation and all sewage water irrigation. The zinc treatments consisted of application of Zn @ 0.0, 2.5, 5.0 and 7.5 kg Zn/ha. The study revealed that alternate irrigation with fresh water and wastewater along with the application of Zn @ 5.0 kg/ha resulted in better crop growth, early flowering and highest yield of okra. The maximum concentration of Zn (51.50 mg/kg), Mn (37.84 mg/kg) were found in fruits under treatment alternate irrigation with application of Zn @ 5.0 kg/ha. The concentration of Fe in okra fruits maximum (871.67 mg/kg) in treatment all waste water irrigation with no application of zinc. Similarly, regarding the plant residue (dry matter) the highest concentrations of Zn (88.54 mg/kg), Mn (59.56 mg/kg) were also seen for treatment alternate irrigation with application of Zn @ 5.0 kg/ha, while maximum concentration of Fe (1531.34 mg/kg) was showed in alternate irrigation with no application of Zn.

Keywords


Okra, Wastewater, Irrigation, Zinc.

References