Abstract
The hypothesis is that incorporating saline soil with biochar or compost reduces the deteriorating effects of salinity. The pot experiment was irrigated with waters with different salinities (4.5 and 9 dS m-1) and a silty clay soil in pots was thoroughly mixed with 1.5% w/w of biochar, 1.5% w/w of municipal solid waste compost and the mixtures of 0.5 × 0.5% w/w of the two mentioned substances. Irrigation was provided to realize 0.15 leaching fractions for equilibrating the soil salinity. Soil and plants were analysed after two months (T1) and three months (T2) after sowing. Saline irrigation water decreased SAR (~45%) and SOC (~5.5%), respectively for T2 compared with T1. The biochar treatment reduced the amount of ECe in T1 and T2. Both irrigating with saline water and amendments greatly changed the amount of leaf water potential (LWP), chlorophyll and proline leaf. LWP and proline were increased by 17 and 76%, respectively, with increasing irrigation water salinity, while the leaf chlorophyll content was significantly decreased (~52%). The overall finding was that incorporating the saline soil of the region with biochar showed more potential to enhance soil properties and sorghum production.
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Claims 8
Claim · model-written summary
Saline irrigation reduced soil SAR by about 45% at T2 relative to T1.
SorghumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Saline irrigation water decreased SAR (~45%) and SOC (~5.5%), respectively for T2 compared with T1”
t0“Sorghum”
Claim · model-written summary
Saline irrigation reduced soil SOC by about 5.5% at T2 relative to T1.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Saline irrigation water decreased SAR (~45%) and SOC (~5.5%), respectively for T2 compared with T1”
t0“Sorghum”
Claim · model-written summary
Biochar reduced soil ECe at both sampled times.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The biochar treatment reduced the amount of ECe in T1 and T2”
t0“Sorghum”
Claim · model-written summary
Saline irrigation and amendments greatly changed sorghum leaf water potential, chlorophyll and proline.
- Treatment
- irrigating with saline water and amendmentse0
- Outcome
- leaf water potential (LWP), chlorophyll and proline leafe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both irrigating with saline water and amendments greatly changed the amount of leaf water potential (LWP), chlorophyll and proline leaf”
t0“Sorghum”
Claim · model-written summary
Higher irrigation salinity increased sorghum leaf water potential by 17%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LWP and proline were increased by 17 and 76%, respectively, with increasing irrigation water salinity”
t0“Sorghum”
Claim · model-written summary
Higher irrigation salinity increased sorghum leaf proline by 76%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“LWP and proline were increased by 17 and 76%, respectively, with increasing irrigation water salinity”
t0“Sorghum”
Claim · model-written summary
Higher irrigation salinity significantly reduced sorghum leaf chlorophyll by about 52%.
- Treatment
- increasing irrigation water salinitye1
- Outcome
- leaf chlorophyll contente0
- Direction
- decreasede0
- Value
- ~52%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the leaf chlorophyll content was significantly decreased (~52%)”
t0“Sorghum”
e1“LWP and proline were increased by 17 and 76%, respectively, with increasing irrigation water salinity”
Claim · model-written summary
Biochar incorporation was judged to have more potential to improve soil properties and sorghum production.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“incorporating the saline soil of the region with biochar showed more potential to enhance soil properties and sorghum production”
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