International Journal of Agricultural Engineering

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Effect of Different Level of Drip Irrigation on Growth, Yield and Water use Efficiency of Okra (Abelmoschus esculentus L.)


Affiliations
1 Zonal Research Station (BAU), Darisai East Singhbhum (Jharkhand), India
2 Shramshakti College of Agricultural Engineering and Technology, Maldad, Sangamner (M.S.), India
     

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A field experiment was conducted at Zonal Research Station, Darisai, East Singhbhum, Jharkhand during 2016-2017 to estimate the water requirement for increasing the productivity of okra. The experiments were laid out in Randomized Block Design with five treatments which included four level of drip irrigation viz., 100, 80, 60 and 40 per cent evapotranspiration (ET) and surface irrigation at 1.0 IW/CPE and were replicated thrice. The results revealed that higher yields (160.52 q ha-1) was recorded in treatment T1- Drip irrigation at 100 per cent ET with maximum plant height (102.6 cm) and number of branches plant-1 (2.08) and was significantly superior over rest treatment. The water use efficiency of 58.34 kg/ha/mm was recorded in drip irrigation at 40 per cent ET. The maximum benefit-cost ratio (1.40) was noted in T1- Drip irrigation at 100 per cent ET and minimum (0.61) in T4 - Drip irrigation at 40 per cent ET.

Keywords

Okra, Drip Irrigation, Surface Irrigation, Water Requirement, Water Use Efficiency, Economics.
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  • Effect of Different Level of Drip Irrigation on Growth, Yield and Water use Efficiency of Okra (Abelmoschus esculentus L.)

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Authors

Daleshwar Rajak
Zonal Research Station (BAU), Darisai East Singhbhum (Jharkhand), India
Pravin Dahiphale
Shramshakti College of Agricultural Engineering and Technology, Maldad, Sangamner (M.S.), India

Abstract


A field experiment was conducted at Zonal Research Station, Darisai, East Singhbhum, Jharkhand during 2016-2017 to estimate the water requirement for increasing the productivity of okra. The experiments were laid out in Randomized Block Design with five treatments which included four level of drip irrigation viz., 100, 80, 60 and 40 per cent evapotranspiration (ET) and surface irrigation at 1.0 IW/CPE and were replicated thrice. The results revealed that higher yields (160.52 q ha-1) was recorded in treatment T1- Drip irrigation at 100 per cent ET with maximum plant height (102.6 cm) and number of branches plant-1 (2.08) and was significantly superior over rest treatment. The water use efficiency of 58.34 kg/ha/mm was recorded in drip irrigation at 40 per cent ET. The maximum benefit-cost ratio (1.40) was noted in T1- Drip irrigation at 100 per cent ET and minimum (0.61) in T4 - Drip irrigation at 40 per cent ET.

Keywords


Okra, Drip Irrigation, Surface Irrigation, Water Requirement, Water Use Efficiency, Economics.

References