Abstract
A large-scale demonstrations was conducted on Alternate Wetting and Drying Irrigation (AWDI) on water saving and yield of Transplanted Rice in Mettur-Noyyal confluence sub basin areas of Tamil Nadu, India, by the Tapioca and castor Research station, Yethapur from the year 2019 to 2023. For adopting the safe AWDI, the depth of ponded water on the field is monitored using a ‘Field Water Tube’ which is made of 40-cm long plastic pipe having a diameter of 15 cm which is perforated with holes on all sides. The AWDI technology consumed ranges between 871 mm to 950 mm of irrigation water, higher water use efficiency (6.22 to 7.53 kg ha-1 mm-1) and number of irrigations were recorded between 22 to 30. Adopting AWDI in rice resulted in the highest yield of 7045 kg ha-1 compared to the conventional method, which produced 5927 kg ha-1 across all experiments. The highest gross returns (Rs. 131927 ha-1), net return (Rs. 77438 ha-1) and BCR (2.99) were observed in adoption of AWDI. The AWDI will be an appropriate technology for water saving in rice. This technology saves up to 49 per cent of irrigation water without reducing yield, and it reduces the number of irrigations by 12 compared to farmers.
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Claims 10
Claim · model-written summary
AWDI consumed 871 mm to 950 mm of irrigation water in transplanted rice.
Verbatim
t0“Transplanted Rice”
e0“The AWDI technology consumed ranges between 871 mm to 950 mm of irrigation water”
Claim · model-written summary
AWDI gave higher water use efficiency (6.22 to 7.53 kg ha-1 mm-1) in transplanted rice.
Verbatim
t0“Transplanted Rice”
e0“higher water use efficiency (6.22 to 7.53 kg ha-1 mm-1)”
Claim · model-written summary
The number of irrigations under AWDI was between 22 and 30.
Verbatim
t0“Transplanted Rice”
e0“number of irrigations were recorded between 22 to 30”
Claim · model-written summary
AWDI in rice gave the highest yield of 7045 kg ha-1 compared with the conventional method, which produced 5927 kg ha-1 across all experiments.
- Taxon
- rice
Oryza sativae0 - Treatment
- AWDIe0
- Outcome
- yielde0
- Direction
- higheste0
- Value
- 7045 kg ha-1e0
- Qualifier
- 5927 kg ha-1e0
- Comparator
- conventional methode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Adopting AWDI in rice resulted in the highest yield of 7045 kg ha-1 compared to the conventional method, which produced 5927 kg ha-1 across all experiments”
Claim · model-written summary
Adoption of AWDI in rice gave the highest gross returns (Rs. 131927 ha-1).
- Taxon
- Transplanted Ricet0
- Treatment
- adoption of AWDIe0
- Outcome
- gross returnse0
- Direction
- higheste0
- Value
- Rs. 131927 ha-1e0
Not reportedComparator
Verbatim
t0“Transplanted Rice”
e0“The highest gross returns (Rs. 131927 ha-1), net return (Rs. 77438 ha-1) and BCR (2.99) were observed in adoption of AWDI”
Claim · model-written summary
Adoption of AWDI in rice gave the highest net return (Rs. 77438 ha-1).
- Taxon
- Transplanted Ricet0
- Treatment
- adoption of AWDIe0
- Outcome
- net returne0
- Direction
- higheste0
- Value
- Rs. 77438 ha-1e0
Not reportedComparator
Verbatim
t0“Transplanted Rice”
e0“The highest gross returns (Rs. 131927 ha-1), net return (Rs. 77438 ha-1) and BCR (2.99) were observed in adoption of AWDI”
Claim · model-written summary
Adoption of AWDI in rice gave the highest benefit-cost ratio (2.99).
Not reportedComparator
Verbatim
t0“Transplanted Rice”
e0“The highest gross returns (Rs. 131927 ha-1), net return (Rs. 77438 ha-1) and BCR (2.99) were observed in adoption of AWDI”
Claim · model-written summary
AWDI saves up to 49 per cent of irrigation water in rice without reducing yield.
Not reportedTaxonComparator
Verbatim
e0“This technology saves up to 49 per cent of irrigation water without reducing yield”
Claim · model-written summary
AWDI reduces the number of irrigations by 12 compared to farmers.
- Taxon
- Transplanted Ricet0
- Outcome
- number of irrigationse0
- Direction
- reducese0
- Value
- 12e0
- Comparator
- farmerse0
Not reportedTreatment
Verbatim
t0“Transplanted Rice”
e0“it reduces the number of irrigations by 12 compared to farmers”
Claim · model-written summary
The authors conclude AWDI will be an appropriate technology for water saving in rice.
- Taxon
- riceOryza sativae0
- Outcome
- appropriate technology for water savinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The AWDI will be an appropriate technology for water saving in rice”
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See all 1,171 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.