Abstract
A field experiment was conducted from 200506 to 200809 on calcareous soil in semi-arid area, to evaluate the response of each furrow and alternate furrow irrigation in wheat [Triticum aestivum (L.) emend. Fiori & Paol.] hybrid Bt cotton (Gossypium hirsutum L.) cropping system using irrigation waters of different qualities. Irrigation was applied to each and alternate furrow on bed-planted wheat followed by cotton for comparison with standard check-basin method of irrigation to both the crops. Three water qualities, namely good quality water (GW), sa- line-sodic water ( SSW) and pre-sowing irrigation to each crop with GW and all subsequent irrigations with SSW (GWpsi+SSW), were evaluated under 3 methods of irrigation (check-basin, each furrow and alternate furrow). The pooled results over 3 years revealed that wheat grain yield was not affected significantly by the quality of irri- gation water. However, significant wheat yield reduction was observed in alternate bed irrigation in all the water qualities. In hybrid Bt cotton, saline sodic water significantly reduced the seed-cotton yield in all the 3 methods of planting. The pre-sowing irrigation with GW and all subsequent irrigations with saline sodic water improved the seed-cotton yield as compared to the application of saline sodic water alone. However, in alternate furrow the yield increase was significant and the yield obtained was equal to the yield under alternate furrow in GW. Re- duced use of irrigation water under alternate furrow resulted in 21, 21 and 25% higher water-use efficiency in wheat under GW, SSW and GWpsi+SSW respectively. The corresponding increase under Bt cotton was 28, 19 and 36%.
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Claims 7
Claim · model-written summary
Wheat grain yield did not differ significantly by irrigation water quality.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- quality of irri- gation watere0
- Outcome
- wheat grain yielde0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“wheat grain yield was not affected significantly by the quality of irri- gation water”
Claim · model-written summary
Alternate bed irrigation significantly reduced wheat yield across water qualities.
- Taxon
- wheatTriticum aestivume0
- Treatment
- alternate bed irrigatione0
- Outcome
- wheat yielde0
- Direction
- reductione0
- Qualifier
- all the water qualitiese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant wheat yield reduction was observed in alternate bed irrigation in all the water qualities”
Claim · model-written summary
Saline sodic water significantly reduced seed cotton yield across planting methods.
Not reportedComparator
Verbatim
e0“In hybrid Bt cotton, saline sodic water significantly reduced the seed-cotton yield in all the 3 methods of planting”
Claim · model-written summary
Good water before sowing followed by saline sodic water improved cotton yield over saline sodic water alone.
Verbatim
e0“The pre-sowing irrigation with GW and all subsequent irrigations with saline sodic water improved the seed-cotton yield as compared to the application of saline sodic water alone”
t0“hybrid Bt cotton”
Claim · model-written summary
Alternate furrow irrigation raised wheat water use efficiency by 21% with good water.
- Taxon
- wheatTriticum aestivume0
- Treatment
- alternate furrowe0
- Outcome
- water-use efficiencye0
- Direction
- highere0
- Value
- 21e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“duced use of irrigation water under alternate furrow resulted in 21, 21 and 25% higher water-use efficiency in wheat under GW, SSW and GWpsi+SSW respectively”
Claim · model-written summary
Alternate furrow irrigation raised wheat water use efficiency by 21% with saline sodic water.
- Taxon
- wheatTriticum aestivume0
- Treatment
- alternate furrowe0
- Outcome
- water-use efficiencye0
- Direction
- highere0
- Value
- 21e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“duced use of irrigation water under alternate furrow resulted in 21, 21 and 25% higher water-use efficiency in wheat under GW, SSW and GWpsi+SSW respectively”
Claim · model-written summary
Alternate furrow irrigation raised wheat water use efficiency by 25% under GWpsi+SSW.
- Taxon
- wheatTriticum aestivume0
- Treatment
- alternate furrowe0
- Outcome
- water-use efficiencye0
- Direction
- highere0
- Value
- 25%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“duced use of irrigation water under alternate furrow resulted in 21, 21 and 25% higher water-use efficiency in wheat under GW, SSW and GWpsi+SSW respectively”
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