Abstract
A field experiment was carried out to study the effect of different methods and levels of irrigation on soil moisture content, water use efficiency (WUE) and water productivity of baby corn under polyhouse and open field conditions for consecutive two years (kharif 2013 and 2014). The experiment was laid out in split-plot design with irrigation methods such as surface and sub-surface drip irrigation under polyhouse and open condition as main plots and scheduling of irrigation based on Epan ratios of 0.6, 0.8 and 1.0 as sub-plots. Gravimetric soil moisture content recorded at regular intervals varied significantly due to methods of irrigation at two different depths. It was significantly higher in surface method of irrigation at 0–15 cm depth and in sub-surface method of irrigation at 15–30 cm depth. Among levels, irrigation scheduled at 1.0 Epan recorded 21 and 20% higher moisture content over 0.6 Epan at 0–15 and 15–30 cm depth, respectively. Green cob and fodder yields were significantly higher in open field condition under sub-surface drip fertigation (12.28 and 58.99 t/ha, respectively) compared to surface drip fertigation. Under polyhouse condition, due to low light availability the yields were significantly less as baby corn being a C4 plant requires high light. The increase in water use efficiency and water productivity for economic yield under open field condition was 15.9 and 16.6% over polyhouse condition, respectively.
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Claims 9
Claim · model-written summary
Gravimetric soil moisture content of baby corn plots was significantly higher under the surface method of irrigation at 0–15 cm depth.
- Taxon
- baby corne0
- Treatment
- surface method of irrigatione2
- Outcome
- Gravimetric soil moisture contente1
- Direction
- highere2
- Qualifier
- 0–15 cm depthe2
- Setting
- polyhouse and open field conditionse0
Not reportedComparator
Verbatim
e0“water productivity of baby corn under polyhouse and open field conditions”
e1“Gravimetric soil moisture content recorded at regular intervals varied significantly due to methods of irrigation at two different depths”
e2“It was significantly higher in surface method of irrigation at 0–15 cm depth and in sub-surface method of irrigation at 15–30 cm depth”
Claim · model-written summary
Gravimetric soil moisture content of baby corn plots was significantly higher under the sub-surface method of irrigation at 15–30 cm depth.
- Taxon
- baby corne0
- Treatment
- sub-surface method of irrigatione2
- Outcome
- Gravimetric soil moisture contente1
- Direction
- highere2
- Qualifier
- 15–30 cm depthe2
- Setting
- polyhouse and open field conditionse0
Not reportedComparator
Verbatim
e0“water productivity of baby corn under polyhouse and open field conditions”
e1“Gravimetric soil moisture content recorded at regular intervals varied significantly due to methods of irrigation at two different depths”
e2“It was significantly higher in surface method of irrigation at 0–15 cm depth and in sub-surface method of irrigation at 15–30 cm depth”
Claim · model-written summary
Irrigation scheduled at 1.0 Epan gave 21% higher soil moisture content than 0.6 Epan at 0–15 cm depth.
Verbatim
e0“water productivity of baby corn under polyhouse and open field conditions”
e1“irrigation scheduled at 1.0 Epan recorded 21 and 20% higher moisture content over 0.6 Epan at 0–15 and 15–30 cm depth, respectively”
Claim · model-written summary
Irrigation scheduled at 1.0 Epan gave 20% higher soil moisture content than 0.6 Epan at 15–30 cm depth.
Verbatim
e0“water productivity of baby corn under polyhouse and open field conditions”
e1“irrigation scheduled at 1.0 Epan recorded 21 and 20% higher moisture content over 0.6 Epan at 0–15 and 15–30 cm depth, respectively”
Claim · model-written summary
Green cob yield of baby corn was significantly higher in open field under sub-surface drip fertigation (12.28 t/ha) than under surface drip fertigation.
Verbatim
e0“water productivity of baby corn under polyhouse and open field conditions”
e1“Green cob and fodder yields were significantly higher in open field condition under sub-surface drip fertigation (12.28 and 58.99 t/ha, respectively) compared to surface drip fertigation”
Claim · model-written summary
Fodder yield of baby corn was significantly higher in open field under sub-surface drip fertigation (58.99 t/ha) than under surface drip fertigation.
Verbatim
e0“water productivity of baby corn under polyhouse and open field conditions”
e1“Green cob and fodder yields were significantly higher in open field condition under sub-surface drip fertigation (12.28 and 58.99 t/ha, respectively) compared to surface drip fertigation”
Claim · model-written summary
Baby corn yields were significantly lower under polyhouse condition because of low light availability, as baby corn is a C4 plant needing high light.
- Taxon
- baby corne0
- Treatment
- polyhouse conditione1
- Outcome
- yieldse1
- Direction
- lesse1
- Qualifier
- low light availabilitye1
Not reportedComparator
Verbatim
e0“water productivity of baby corn under polyhouse and open field conditions”
e1“Under polyhouse condition, due to low light availability the yields were significantly less”
Claim · model-written summary
Water use efficiency for economic yield of baby corn was 15.9% higher in open field than under polyhouse.
Verbatim
e0“water productivity of baby corn under polyhouse and open field conditions”
e1“The increase in water use efficiency and water productivity for economic yield under open field condition was 15.9 and 16.6% over polyhouse condition, respectively”
Claim · model-written summary
Water productivity for economic yield of baby corn was 16.6% higher in open field than under polyhouse.
Verbatim
e0“water productivity of baby corn under polyhouse and open field conditions”
e1“The increase in water use efficiency and water productivity for economic yield under open field condition was 15.9 and 16.6% over polyhouse condition, respectively”
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