Abstract
This study was conducted in order to determine the effect of vermicompost (V) on macro and micro nutrients of lettuce (Lactuca sativa Var. crispa) exposed to salt stress (SS). V doses; 0 (V0), 2.5% (V1) and 5% (V2) (w/w) and salt stress levels; control (SS0) (0 dS m-1 NaCl), medium salt stress (SS4) (4 dS m-1 NaCl), severe salt stress (SS8) (8 dS m-1 NaCl) were used. In order to make evaluation in terms of the nutrients, plants were kept under controlled conditions (relative humidity 50-55%, daytime/night time temperature 24/20 °C) in the greenhouse for 46 days (May 24 and July 10, 2017). While the medium and severe salt stress decreased the P, K, Mg, Fe, Mn and Zn concentrations of plants significantly, compared to the control, it caused increase in N and Na concentration. While Na decreased due to the V, other mineral element concentrations increased significantly and these increases were found more effective in 5% V application. The effect of SS x V interaction was statistically significant in terms of N, P, Mg, Na, Fe, Mn and Zn, whereas it was found insignificant for K, Ca and Cu. It was shown that in lettuce growing, V applications in areas with salinity problems could contribute to reducing the toxic effects of salinity on the plant and improving the imbalance in nutrient intake.
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Claims 10
Claim · model-written summary
Medium and severe salt stress significantly reduced lettuce P, K and Mg concentrations.
- Taxon
- lettuce (Lactuca sativa Var. crispa)
Lactuca sativa var. crispat0 - Treatment
- medium and severe salt stresse0
- Outcome
- P, K, Mge0
- Direction
- decreasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“medium and severe salt stress decreased the P, K, Mg, Fe, Mn and Zn concentrations of plants significantly, compared to the control”
t0“lettuce (Lactuca sativa Var. crispa)”
Claim · model-written summary
Medium and severe salt stress significantly reduced lettuce Fe, Mn and Zn concentrations.
- Taxon
- lettuce (Lactuca sativa Var. crispa)Lactuca sativa var. crispat0
- Treatment
- medium and severe salt stresse0
- Outcome
- Fe, Mn and Zn concentrationse0
- Direction
- decreasede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“medium and severe salt stress decreased the P, K, Mg, Fe, Mn and Zn concentrations of plants significantly, compared to the control”
t0“lettuce (Lactuca sativa Var. crispa)”
Claim · model-written summary
Salt stress increased lettuce N concentration.
- Taxon
- lettuce (Lactuca sativa Var. crispa)Lactuca sativa var. crispat0
- Treatment
- salt stresse0
- Outcome
- N and Na concentratione0
- Direction
- increasee0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“While the medium and severe salt stress decreased the P, K, Mg, Fe, Mn and Zn concentrations of plants significantly, compared to the control, it caused increase in N and Na concentration”
t0“lettuce (Lactuca sativa Var. crispa)”
Claim · model-written summary
Salt stress increased lettuce Na concentration.
- Taxon
- lettuce (Lactuca sativa Var. crispa)Lactuca sativa var. crispat0
- Treatment
- salt stresse0
- Outcome
- Na concentratione0
- Direction
- increasee0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“While the medium and severe salt stress decreased the P, K, Mg, Fe, Mn and Zn concentrations of plants significantly, compared to the control, it caused increase in N and Na concentration”
t0“lettuce (Lactuca sativa Var. crispa)”
Claim · model-written summary
Vermicompost reduced lettuce Na concentration.
- Taxon
- lettuce (Lactuca sativa Var. crispa)Lactuca sativa var. crispat0
- Treatment
- Ve0
- Outcome
- Nae0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“While Na decreased due to the V”
t0“lettuce (Lactuca sativa Var. crispa)”
Claim · model-written summary
Vermicompost significantly increased other lettuce mineral element concentrations, especially at 5%.
- Taxon
- lettuce (Lactuca sativa Var. crispa)Lactuca sativa var. crispat0
- Treatment
- 5% V applicatione0
- Outcome
- other mineral element concentrationse0
- Direction
- increasede0
- Qualifier
- more effectivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“other mineral element concentrations increased significantly and these increases were found more effective in 5% V application”
t0“lettuce (Lactuca sativa Var. crispa)”
Claim · model-written summary
Salt stress and vermicompost interacted significantly for lettuce N, P and Mg concentrations.
- Taxon
- lettuce (Lactuca sativa Var. crispa)Lactuca sativa var. crispat0
- Treatment
- SS x V interactione0
- Outcome
- N, P, Mge0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effect of SS x V interaction was statistically significant in terms of N, P, Mg, Na, Fe, Mn and Zn”
t0“lettuce (Lactuca sativa Var. crispa)”
Claim · model-written summary
Salt stress and vermicompost interacted significantly for lettuce Na, Fe, Mn and Zn concentrations.
- Taxon
- lettuce (Lactuca sativa Var. crispa)Lactuca sativa var. crispat0
- Treatment
- SS x V interactione0
- Outcome
- Na, Fe, Mn and Zne0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“effect of SS x V interaction was statistically significant in terms of N, P, Mg, Na, Fe, Mn and Zn”
t0“lettuce (Lactuca sativa Var. crispa)”
Claim · model-written summary
Salt stress and vermicompost interaction was nonsignificant for lettuce K, Ca and Cu.
- Taxon
- lettuce (Lactuca sativa Var. crispa)Lactuca sativa var. crispat0
- Treatment
- SS x V interactione0
- Outcome
- K, Ca and Cue0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The effect of SS x V interaction was statistically significant in terms of N, P, Mg, Na, Fe, Mn and Zn, whereas it was found insignificant for K, Ca and Cu”
t0“lettuce (Lactuca sativa Var. crispa)”
Claim · model-written summary
The authors suggest vermicompost may reduce salinity toxicity and nutrient imbalance in lettuce production.
- Taxon
- lettuce (Lactuca sativa Var. crispa)Lactuca sativa var. crispat0
- Treatment
- V applicationse0
- Outcome
- reducing the toxic effects of salinity on the plant and improving the imbalance in nutrient intakee0
- Qualifier
- could contributee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“V applications in areas with salinity problems could contribute to reducing the toxic effects of salinity on the plant and improving the imbalance in nutrient intake”
t0“lettuce (Lactuca sativa Var. crispa)”
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See all 16 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.