Abstract
Abstract Field experiments were conducted for two years on a sandy loam soil to evaluate various cyclic and mixing modes of irrigation with canal (0.6 dS m‐1) and saline (12 dS m‐1) waters on salinity buildup, water use, and yields of Indian mustard (Brassica juncea L.) and pearl millet (Pennisetum typhoides L.). Normalized to the treatment receiving canal water (100%), relative yield (RY) obtained with only saline irrigation averaged 56% in mustard. Application of canal water for presowing/first post‐sowing irrigation (rossette stage) improved yields by 35 and 25%, whereas its application at later stages (siliquae formation) resulted in lesser compensation (13%). Alternating irrigations with canal and saline water were superior (95% relative yields) compared to mixing the two supplies in equal proportions and then irrigating (87%). Salinity‐induced reduction in growth led to decreased branching and bearing capacity (siliquae per plant), whereas effects on seed test weight and seeds per siliqua remained statistically nonsignificant. Stepwise linear response function with time‐averaged salinity (ECe, dS m‐1, 0–0.3 m soil depth) could be described as RY = 100 ‐ 8.5 (ECe‐ 3.8). Results also suggest increased salinity tolerance of mustard with aging. Salts accumulated during irrigations to Indian mustard did not affect the yields of the following pearl millet crop.
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Claims 11
Claim · model-written summary
Only saline irrigation gave mustard 56% relative yield against canal water irrigation.
- Taxon
- Indian mustard (Brassica juncea)
Brassica junceae0t0 - Treatment
- only saline irrigatione0
- Outcome
- relative yield (RY)e0
- Value
- 56%e0
- Comparator
- treatment receiving canal watere0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Normalized to the treatment receiving canal water (100%), relative yield (RY) obtained with only saline irrigation averaged 56% in mustard.”
t0“Indian mustard (Brassica juncea)”
Claim · model-written summary
Canal water at presowing improved mustard yield by 35 relative to saline irrigation.
- Taxon
- Indian mustard (Brassica juncea)Brassica junceae0t0
- Treatment
- presowinge0
- Outcome
- yieldse0
- Direction
- improvede0
- Value
- 35e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of canal water for presowing/first post‐sowing irrigation (rossette stage) improved yields by 35 and 25%, whereas its application at later stages (siliquae formation) resulted in lesser compensation (13%).”
t0“Indian mustard (Brassica juncea)”
Claim · model-written summary
Canal water at first post‐sowing irrigation improved mustard yield by 25% relative to saline irrigation.
- Taxon
- Indian mustard (Brassica juncea)Brassica junceae0t0
- Treatment
- first post‐sowing irrigatione0
- Outcome
- yieldse0
- Direction
- improvede0
- Value
- 25%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of canal water for presowing/first post‐sowing irrigation (rossette stage) improved yields by 35 and 25%, whereas its application at later stages (siliquae formation) resulted in lesser compensation (13%).”
t0“Indian mustard (Brassica juncea)”
Claim · model-written summary
Canal water at later stages (siliquae formation) improved mustard yield by 13% relative to saline irrigation.
- Taxon
- Indian mustard (Brassica juncea)Brassica junceae0t0
- Treatment
- later stages (siliquae formation)e0
- Outcome
- yieldse0
- Direction
- lesser compensatione0
- Value
- 13%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of canal water for presowing/first post‐sowing irrigation (rossette stage) improved yields by 35 and 25%, whereas its application at later stages (siliquae formation) resulted in lesser compensation (13%).”
t0“Indian mustard (Brassica juncea)”
Claim · model-written summary
Alternating canal and saline water irrigation produced 95% relative yield and was superior to equal-proportion mixing at 87%.
- Taxon
- Indian mustard (Brassica juncea)Brassica junceae0t0
- Treatment
- Alternating irrigations with canal and saline watere0
- Outcome
- relative yieldse0
- Direction
- superiore0
- Value
- 95%e0
- Qualifier
- 87%e0
- Comparator
- mixing the two supplies in equal proportionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Alternating irrigations with canal and saline water were superior (95% relative yields) compared to mixing the two supplies in equal proportions and then irrigating (87%).”
t0“Indian mustard (Brassica juncea)”
Claim · model-written summary
Salinity reduced mustard growth.
- Taxon
- Indian mustard (Brassica juncea)Brassica junceae0t0
- Treatment
- Salinitye0
- Outcome
- growthe0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity‐induced reduction in growth led to decreased branching and bearing capacity (siliquae per plant), whereas effects on seed test weight and seeds per siliqua remained statistically nonsignificant.”
t0“Indian mustard (Brassica juncea)”
Claim · model-written summary
Salinity reduced mustard branching and siliquae per plant.
- Taxon
- Indian mustard (Brassica juncea)Brassica junceae0t0
- Treatment
- Salinitye0
- Outcome
- branching and bearing capacity (siliquae per plant)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity‐induced reduction in growth led to decreased branching and bearing capacity (siliquae per plant), whereas effects on seed test weight and seeds per siliqua remained statistically nonsignificant.”
t0“Indian mustard (Brassica juncea)”
Claim · model-written summary
Salinity effects on mustard seed test weight and seeds per siliqua were statistically nonsignificant.
- Taxon
- Indian mustard (Brassica juncea)Brassica junceae0t0
- Treatment
- Salinitye0
- Outcome
- seed test weight and seeds per siliquae0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salinity‐induced reduction in growth led to decreased branching and bearing capacity (siliquae per plant), whereas effects on seed test weight and seeds per siliqua remained statistically nonsignificant.”
t0“Indian mustard (Brassica juncea)”
Claim · model-written summary
Mustard relative yield followed the reported linear response to time-averaged soil salinity.
- Taxon
- Indian mustard (Brassica juncea)Brassica junceae0t0
- Outcome
- RYe0
- Qualifier
- RY = 100 ‐ 8.5 (ECe‐ 3.8)e0
- Setting
- 0–0.3 m soil depthe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Stepwise linear response function with time‐averaged salinity (ECe, dS m‐1, 0–0.3 m soil depth) could be described as RY = 100 ‐ 8.5 (ECe‐ 3.8).”
t0“Indian mustard (Brassica juncea)”
Claim · model-written summary
Mustard salinity tolerance appears to increase with age.
- Taxon
- Indian mustard (Brassica juncea)Brassica junceae0t0
- Organ / stage
- aginge0
- Outcome
- salinity tolerancee0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Results also suggest increased salinity tolerance of mustard with aging.”
t0“Indian mustard (Brassica juncea)”
Claim · model-written summary
Salts accumulated during mustard irrigation did not affect subsequent pearl millet yields.
- Taxon
- pearl millet
Cenchrus americanuse0 - Treatment
- Salts accumulated during irrigations to Indian mustarde0
- Outcome
- yields of the following pearl millet crope0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salts accumulated during irrigations to Indian mustard did not affect the yields of the following pearl millet crop.”
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