Abstract
The action of silicon as a salt stress mitigator has been investigated in isolation, and its combined efficacy with other salt stress mitigators needs to be addressed. This work verified whether silicon, in combination with organic matter and Trichoderma harzianum, enhances the production of forage sorghum under saline irrigation and its effects on soil properties. The field experiment was conducted in Parnamirim (PE), a semiarid region of Brazil. Forage sorghum (Sorghum sudanense (Piper) Stapf) was irrigated with saline water (3.12 dS m−1) and subjected to the application of non-silicon, silicon alone, and silicon combined with Trichoderma and organic matter over three consecutive cuts (every three months after germination). Silicon applied in combination significantly increased the content of nutrient ions K+, P, Ca2+, and Mg2+ in sorghum leaves, stems, and panicles and increased P content in the soil by 170, 288, and 92% for the first, second, and third cuts, respectively. When silicon was applied in combination, sorghum’s dry and fresh matter (total yield for the three cuts) increased to 62.53 and 182.43 t ha−1, respectively. In summary, applying silicon (Si) combined with Trichoderma and organic matter promotes higher nutrient ion contents in soil and sorghum plants and a higher forage sorghum yield.
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Claims 6
Claim · model-written summary
Combined silicon treatment significantly increased nutrient ions in sorghum leaves, stems and panicles.
- Taxon
- Forage sorghume0
- Organ / stage
- leaves, stems, and paniclese1
- Treatment
- Silicon applied in combinatione1
- Outcome
- content of nutrient ions K+, P, Ca2+, and Mg2+e1
- Direction
- increasede1
Not reportedComparator
Verbatim
e0“Forage sorghum (Sorghum sudanense (Piper) Stapf)”
e1“Silicon applied in combination significantly increased the content of nutrient ions K+, P, Ca2+, and Mg2+ in sorghum leaves, stems, and panicles”
Claim · model-written summary
Combined silicon treatment increased soil P content by 170% in the first cut.
- Taxon
- Forage sorghume0
- Treatment
- silicon combined with Trichoderma and organic mattere2
- Interactor
- Trichoderma
Trichodermae2symbiont - Outcome
- P content in the soile1
- Direction
- increasede1
- Value
- 170e1
- Qualifier
- firste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Forage sorghum (Sorghum sudanense (Piper) Stapf)”
e1“increased P content in the soil by 170, 288, and 92% for the first, second, and third cuts, respectively”
e2“silicon combined with Trichoderma and organic matter”
Claim · model-written summary
Combined silicon treatment increased soil P content by 288% in the second cut.
- Taxon
- Forage sorghume0
- Treatment
- silicon combined with Trichoderma and organic mattere2
- Interactor
- TrichodermaTrichodermae2symbiont
- Outcome
- P content in the soile1
- Direction
- increasede1
- Value
- 288e1
- Qualifier
- seconde1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Forage sorghum (Sorghum sudanense (Piper) Stapf)”
e1“increased P content in the soil by 170, 288, and 92% for the first, second, and third cuts, respectively”
e2“silicon combined with Trichoderma and organic matter”
Claim · model-written summary
Combined silicon treatment increased soil P content by 92% in the third cut.
- Taxon
- Forage sorghume0
- Treatment
- silicon combined with Trichoderma and organic mattere2
- Interactor
- TrichodermaTrichodermae2symbiont
- Outcome
- P content in the soile1
- Direction
- increasede1
- Value
- 92%e1
- Qualifier
- third cutse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Forage sorghum (Sorghum sudanense (Piper) Stapf)”
e1“increased P content in the soil by 170, 288, and 92% for the first, second, and third cuts, respectively”
e2“silicon combined with Trichoderma and organic matter”
Claim · model-written summary
Combined silicon treatment raised total dry matter yield to 62.53 t ha−1.
- Taxon
- Forage sorghume0
- Treatment
- silicon was applied in combinatione1
- Outcome
- dry and fresh mattere1
- Direction
- increasede1
- Value
- 62.53e1
Not reportedComparator
Verbatim
e0“Forage sorghum (Sorghum sudanense (Piper) Stapf)”
e1“When silicon was applied in combination, sorghum’s dry and fresh matter (total yield for the three cuts) increased to 62.53 and 182.43 t ha−1, respectively”
Claim · model-written summary
Combined silicon treatment raised total fresh matter yield to 182.43 t ha−1.
- Taxon
- Forage sorghume0
- Treatment
- silicon was applied in combinatione1
- Outcome
- fresh mattere1
- Direction
- increasede1
- Value
- 182.43 t ha−1e1
Not reportedComparator
Verbatim
e0“Forage sorghum (Sorghum sudanense (Piper) Stapf)”
e1“When silicon was applied in combination, sorghum’s dry and fresh matter (total yield for the three cuts) increased to 62.53 and 182.43 t ha−1, respectively”
The same questions in other papers
silicon atom · nutrient: content · SorghumPositive and negative results
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- no effect
- positive
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See all 9 papers →organic · nutrient: content · SorghumPositive and negative results
12 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
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See all 14 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.