Abstract
A screen house experiment was carried out in PVC columns to study the effect of saline water irrigation on yield and mineral composition of crops in a sandy loam soil in rice-wheat cropping system. Irrigation with different salinity levels (ECiw of 0.4, 2, 4, 6, 8 and 10 dS m-1) led to significant reduction in grain and straw yield of rice and wheat crops. A reduction of 55 and 15% in grain yields of rice and wheat was recorded as the ECiw increased from 0.4 to 2 dS m-1, which was more severe at 8 and 10 dS m-1 ECiw. Progressive increase in N, Na, Mg and Cl and decrease in P, K, Ca and SO4-S in rice grain and straw with increasing salinity of water was observed. A remarkable increase of 67, 357 and 113 per cent in N, Na and Fe content of rice grain was observed at 8 dS m-1 ECiw. A drastic reduction of 40, 36 and 25 per cent in P, SO4-S and Ca content of rice grain was recorded at 8 dS m-1 ECiw. Similarly in wheat, progressive increase in N, Na, Mg and Cl contents and decrease in P, K, Ca and SO4-S was observed with increasing salinity levels of irrigation water. A reduction of 21 and 24 per cent in P and K content of wheat grain and a sharp increase of 90 and 66 per cent in Na content of wheat grain and straw was obtained at 10 dS m-1. Wheat grain Cl content also showed a remarkable increase (66%) at ECiw of 10 dS m-1 as compared to ECiw of 0.4 dS m-1. The Fe, Zn, Mn and Cu contents in rice grain and straw increased with increasing salinity of water while in wheat straw and grain, Zn content increased with salinity of irrigation water. The Mn content of wheat straw and grain increased up to 6 dS m-1 ECiw but decreased at 8 and 10 dS m-1 ECiw. The saline water irrigation increased soil ECe which was highest in the 10 dS m-1.
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Claims 20
Claim · model-written summary
Saline irrigation significantly reduced rice grain and straw yield.
- Taxon
- rice
Oryza sativae0 - Treatment
- different salinity levelse0
- Outcome
- grain and straw yielde0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation with different salinity levels (ECiw of 0.4, 2, 4, 6, 8 and 10 dS m-1) led to significant reduction in grain and straw yield of rice and wheat crops.”
Claim · model-written summary
Saline irrigation significantly reduced wheat grain and straw yield.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- different salinity levelse0
- Outcome
- grain and straw yielde0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Irrigation with different salinity levels (ECiw of 0.4, 2, 4, 6, 8 and 10 dS m-1) led to significant reduction in grain and straw yield of rice and wheat crops.”
Claim · model-written summary
Rice grain yield fell 55% when irrigation ECiw rose from 0.4 to 2 dS m-1.
- Taxon
- riceOryza sativae0
- Treatment
- ECiw increased from 0.4 to 2 dS m-1e0
- Outcome
- grain yieldse0
- Direction
- reductione0
- Value
- 55e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A reduction of 55 and 15% in grain yields of rice and wheat was recorded as the ECiw increased from 0.4 to 2 dS m-1”
Claim · model-written summary
Wheat grain yield fell 15% when irrigation ECiw rose from 0.4 to 2 dS m-1.
- Taxon
- wheatTriticum aestivume0
- Treatment
- ECiw increased from 0.4 to 2 dS m-1e0
- Outcome
- grain yieldse0
- Direction
- reductione0
- Value
- 15%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A reduction of 55 and 15% in grain yields of rice and wheat was recorded as the ECiw increased from 0.4 to 2 dS m-1”
Claim · model-written summary
Rice grain and straw N, Na, Mg and Cl rose with salinity.
- Taxon
- riceOryza sativae0
- Organ / stage
- grain and strawe0
- Treatment
- increasing salinity of watere0
- Outcome
- N, Na, Mg and Cle0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Progressive increase in N, Na, Mg and Cl and decrease in P, K, Ca and SO4-S in rice grain and straw with increasing salinity of water was observed.”
Claim · model-written summary
Rice grain and straw P, K, Ca and SO4-S declined with salinity.
- Taxon
- riceOryza sativae0
- Organ / stage
- grain and strawe0
- Treatment
- increasing salinity of watere0
- Outcome
- P, K, Ca and SO4-Se0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Progressive increase in N, Na, Mg and Cl and decrease in P, K, Ca and SO4-S in rice grain and straw with increasing salinity of water was observed.”
Claim · model-written summary
Rice grain N content increased 67% at 8 dS m-1 ECiw.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A remarkable increase of 67, 357 and 113 per cent in N, Na and Fe content of rice grain was observed at 8 dS m-1 ECiw.”
Claim · model-written summary
Rice grain Na content increased 357% at 8 dS m-1 ECiw.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A remarkable increase of 67, 357 and 113 per cent in N, Na and Fe content of rice grain was observed at 8 dS m-1 ECiw.”
Claim · model-written summary
Rice grain Fe content increased 113% at 8 dS m-1 ECiw.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A remarkable increase of 67, 357 and 113 per cent in N, Na and Fe content of rice grain was observed at 8 dS m-1 ECiw.”
Claim · model-written summary
Rice grain P content decreased 40% at 8 dS m-1 ECiw.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A drastic reduction of 40, 36 and 25 per cent in P, SO4-S and Ca content of rice grain was recorded at 8 dS m-1 ECiw.”
Claim · model-written summary
Rice grain SO4-S content decreased 36% at 8 dS m-1 ECiw.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A drastic reduction of 40, 36 and 25 per cent in P, SO4-S and Ca content of rice grain was recorded at 8 dS m-1 ECiw.”
Claim · model-written summary
Rice grain Ca content decreased 25% at 8 dS m-1 ECiw.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A drastic reduction of 40, 36 and 25 per cent in P, SO4-S and Ca content of rice grain was recorded at 8 dS m-1 ECiw.”
Claim · model-written summary
Wheat N, Na, Mg and Cl content increased with salinity.
- Taxon
- wheatTriticum aestivume0
- Treatment
- increasing salinity levels of irrigation watere0
- Outcome
- N, Na, Mg and Cl contentse0
- Direction
- increasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Similarly in wheat, progressive increase in N, Na, Mg and Cl contents and decrease in P, K, Ca and SO4-S was observed with increasing salinity levels of irrigation water.”
Claim · model-written summary
Wheat P, K, Ca and SO4-S content decreased with salinity.
- Taxon
- wheatTriticum aestivume0
- Treatment
- increasing salinity levels of irrigation watere0
- Outcome
- P, K, Ca and SO4-Se0
- Direction
- decreasee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Similarly in wheat, progressive increase in N, Na, Mg and Cl contents and decrease in P, K, Ca and SO4-S was observed with increasing salinity levels of irrigation water.”
Claim · model-written summary
Wheat grain P content fell 21% at 10 dS m-1.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A reduction of 21 and 24 per cent in P and K content of wheat grain and a sharp increase of 90 and 66 per cent in Na content of wheat grain and straw was obtained at 10 dS m-1.”
Claim · model-written summary
Wheat grain K content fell 24% at 10 dS m-1.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A reduction of 21 and 24 per cent in P and K content of wheat grain and a sharp increase of 90 and 66 per cent in Na content of wheat grain and straw was obtained at 10 dS m-1.”
Claim · model-written summary
Wheat grain Na content rose 90% at 10 dS m-1.
- Taxon
- wheatTriticum aestivume0
- Treatment
- 10 dS m-1e0
- Outcome
- Na content of wheat graine0
- Direction
- increasee0
- Value
- 90e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a sharp increase of 90 and 66 per cent in Na content of wheat grain and straw was obtained at 10 dS m-1.”
Claim · model-written summary
Wheat straw Na content rose 66% at 10 dS m-1.
- Taxon
- wheatTriticum aestivume0
- Treatment
- 10 dS m-1e0
- Outcome
- Na content of wheat grain and strawe0
- Direction
- increasee0
- Value
- 66 per cente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a sharp increase of 90 and 66 per cent in Na content of wheat grain and straw was obtained at 10 dS m-1.”
Claim · model-written summary
Rice grain and straw Fe, Zn, Mn and Cu increased with salinity.
- Taxon
- riceOryza sativae0
- Treatment
- increasing salinity of watere0
- Outcome
- Fe, Zn, Mn and Cu contentse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Fe, Zn, Mn and Cu contents in rice grain and straw increased with increasing salinity of water”
Claim · model-written summary
Wheat Zn rose with salinity, while Mn rose to 6 dS m-1 and then declined.
- Taxon
- wheatTriticum aestivume0
- Treatment
- salinity of irrigation watere0
- Outcome
- Zn contente0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in wheat straw and grain, Zn content increased with salinity of irrigation water. The Mn content of wheat straw and grain increased up to 6 dS m-1 ECiw but decreased at 8 and 10 dS m-1 ECiw.”
The same questions in other papers
salinity · yield · Oryza sativa (rice)Positive and negative results
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See all 167 papers →salinity · yield · Triticum aestivum (wheat)Positive and negative results
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See all 227 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.