International Journal of Agricultural Engineering

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Effect of Irrigation Levels on Vegetative Growth and Yield Characteristics in White Onion (Allium cepa L.) in Konkan Region


Affiliations
1 Department of Irrigation and Drainage Engineering, College of Agricultural Engineering and Technology, Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, Ratnagiri (M.S.), India
2 Department of Irrigation and Drainage Engineering, College of Agricultural Engineering and Technology, Dapoli, Ratnagiri (M.S.), India
     

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An experiment was conducted at College of Agricultural Engineering and Technology, Dapoli to assess the effect of irrigation levels on vegetative growth and yield characteristics in white onion on micro-irrigation system. In the present investigation white onion variety Alibag local was tested under three irrigation levels namely I1 ( no deficit), I2 (20% deficit) and I3 (40% deficit) on mini-sprinkler (M1) and micro-sprinkler (M2) irrigation methods, while the conventional check basin method was taken as control. The maximum average yield was attained in irrigation level I1 as 39.82 t/ha, whiles the minimum average yield of 24.97 t/ha was recorded for irrigation level I3. The maximum yield of 42.37 t/ha was recorded for treatment combination M2I1 followed by treatment combinations M1I1 (37.26 t/ha) and M2I2 (36.03 t/ha). In control treatment the yield of 17.52 t/ha was recorded. The maximum water use efficiency 14.51 q/ha-cm was reported in treatment combination M2I1 and the minimum water use was found 10.98 q/ha-cm in treatment combination M1I3. The fertilizer use efficiency followed the same trend. The maximum fertilizer use efficiency 176.12 was recorded in treatment combination M2I1 and minimum 99.54 was obtained in treatment combination M1I3. In control fertilizer use efficiency was 73.01, which was lowest amongst all treatments.

Keywords

Deficit Irrigation, White Onion, Mini-Sprinklers, Micro-Sprinklers.
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  • Effect of Irrigation Levels on Vegetative Growth and Yield Characteristics in White Onion (Allium cepa L.) in Konkan Region

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Authors

M. S. Mane
Department of Irrigation and Drainage Engineering, College of Agricultural Engineering and Technology, Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, Ratnagiri (M.S.), India
G. G. Kadam
Department of Irrigation and Drainage Engineering, College of Agricultural Engineering and Technology, Dapoli, Ratnagiri (M.S.), India
S. T. Patil
Department of Irrigation and Drainage Engineering, College of Agricultural Engineering and Technology, Dapoli, Ratnagiri (M.S.), India

Abstract


An experiment was conducted at College of Agricultural Engineering and Technology, Dapoli to assess the effect of irrigation levels on vegetative growth and yield characteristics in white onion on micro-irrigation system. In the present investigation white onion variety Alibag local was tested under three irrigation levels namely I1 ( no deficit), I2 (20% deficit) and I3 (40% deficit) on mini-sprinkler (M1) and micro-sprinkler (M2) irrigation methods, while the conventional check basin method was taken as control. The maximum average yield was attained in irrigation level I1 as 39.82 t/ha, whiles the minimum average yield of 24.97 t/ha was recorded for irrigation level I3. The maximum yield of 42.37 t/ha was recorded for treatment combination M2I1 followed by treatment combinations M1I1 (37.26 t/ha) and M2I2 (36.03 t/ha). In control treatment the yield of 17.52 t/ha was recorded. The maximum water use efficiency 14.51 q/ha-cm was reported in treatment combination M2I1 and the minimum water use was found 10.98 q/ha-cm in treatment combination M1I3. The fertilizer use efficiency followed the same trend. The maximum fertilizer use efficiency 176.12 was recorded in treatment combination M2I1 and minimum 99.54 was obtained in treatment combination M1I3. In control fertilizer use efficiency was 73.01, which was lowest amongst all treatments.

Keywords


Deficit Irrigation, White Onion, Mini-Sprinklers, Micro-Sprinklers.

References