Abstract
A pot experiment was conducted to probe the effects of potassium on yield,quality, and resistance of tomato to unfavorable enviorenments. The results showed that the yield of tomato fertilized with potassium increased by 15. 71% which was more than that without K. The applying potassium promoted the absorption of N and increased the utilization ratio of N. potassium also improved the quality of tomatoes. Compared with the contrast (no - K), the content of VC of tomatoes with K increased by 13.05%, the content of reduction sugar increased by 3.95%, the content of free acide (pH) decreased by 1.83%, and the ratio of sugar acid increased by 10.68% ; But potassium had no obvious effect on total acidity of tomatoes. Application of potassium increasd the content of chlorophyll, decreased the fermeability of the cell membrane,and maintained relative stability of the cell membrane, strengthened the resistance to bad enviorenment, and decreased the accumulation of the proline. in tomato plant under the drought stress.
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Claims 13
Claim · model-written summary
Potassium fertilization increased tomato yield by 15.71% relative to plants without potassium.
- Taxon
- tomato
Solanum lycopersicume1 - Treatment
- fertilized with potassiume1
- Outcome
- yielde1
- Direction
- increasede1
- Value
- 15. 71%e1
- Comparator
- without Ke1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“the yield of tomato fertilized with potassium increased by 15. 71% which was more than that without K”
Claim · model-written summary
Potassium promoted the absorption of nitrogen in tomato.
- Taxon
- tomato
Solanum lycopersicume2 - Treatment
- potassiume1
- Outcome
- absorption of Ne1
- Direction
- promotede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“The applying potassium promoted the absorption of N and increased the utilization ratio of N”
e2“the yield of tomato fertilized with potassium increased by 15. 71% which was more than that without K”
Claim · model-written summary
Potassium increased the utilization ratio of nitrogen in tomato.
- Taxon
- tomato
Solanum lycopersicume2 - Treatment
- potassiume1
- Outcome
- utilization ratio of Ne1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“The applying potassium promoted the absorption of N and increased the utilization ratio of N”
e2“the yield of tomato fertilized with potassium increased by 15. 71% which was more than that without K”
Claim · model-written summary
With potassium, tomato vitamin C (VC) content increased by 13.05% compared with the no-potassium contrast.
- Taxon
- tomatoes
Solanum lycopersicume1 - Treatment
- with Ke1
- Outcome
- content of VCe1
- Direction
- increasede1
- Value
- 13.05%e1
- Comparator
- contrast (no - K)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“Compared with the contrast (no - K), the content of VC of tomatoes with K increased by 13.05%”
Claim · model-written summary
With potassium, tomato reducing sugar content increased by 3.95% compared with the no-potassium contrast.
- Taxon
- tomatoes
Solanum lycopersicume1 - Treatment
- with Ke1
- Outcome
- content of reduction sugare2
- Direction
- increasede2
- Value
- 3.95%e2
- Comparator
- contrast (no - K)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“Compared with the contrast (no - K), the content of VC of tomatoes with K increased by 13.05%”
e2“the content of reduction sugar increased by 3.95%”
Claim · model-written summary
With potassium, tomato free acid (pH) content decreased by 1.83% compared with the no-potassium contrast.
- Taxon
- tomatoes
Solanum lycopersicume1 - Treatment
- with Ke1
- Outcome
- content of free acide (pH)e2
- Direction
- decreasede2
- Value
- 1.83%e2
- Comparator
- contrast (no - K)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“Compared with the contrast (no - K), the content of VC of tomatoes with K increased by 13.05%”
e2“the content of free acide (pH) decreased by 1.83%”
Claim · model-written summary
With potassium, the sugar-acid ratio of tomato increased by 10.68% compared with the no-potassium contrast.
- Taxon
- tomatoes
Solanum lycopersicume1 - Treatment
- with Ke1
- Outcome
- ratio of sugar acide2
- Direction
- increasede2
- Value
- 10.68%e2
- Comparator
- contrast (no - K)e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“Compared with the contrast (no - K), the content of VC of tomatoes with K increased by 13.05%”
e2“the ratio of sugar acid increased by 10.68%”
Claim · model-written summary
Potassium had no obvious effect on total acidity of tomato.
- Taxon
- tomatoes
Solanum lycopersicume1 - Treatment
- potassiume1
- Outcome
- total aciditye1
- Direction
- no obvious effecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“But potassium had no obvious effect on total acidity of tomatoes”
Claim · model-written summary
Potassium application increased tomato chlorophyll content under drought stress.
- Taxon
- tomato plant
Solanum lycopersicume2 - Treatment
- Application of potassiume1
- Outcome
- content of chlorophylle1
- Direction
- increasde1
- Qualifier
- under the drought stresse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“Application of potassium increasd the content of chlorophyll”
e2“in tomato plant under the drought stress”
Claim · model-written summary
Potassium application decreased cell membrane permeability in tomato under drought stress.
- Taxon
- tomato plant
Solanum lycopersicume2 - Treatment
- Application of potassiume3
- Outcome
- fermeability of the cell membranee1
- Direction
- decreasede1
- Qualifier
- under the drought stresse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“decreased the fermeability of the cell membrane”
e2“in tomato plant under the drought stress”
e3“Application of potassium increasd the content of chlorophyll”
Claim · model-written summary
Potassium application maintained relative stability of the cell membrane in tomato under drought stress.
- Taxon
- tomato plant
Solanum lycopersicume2 - Treatment
- Application of potassiume3
- Outcome
- relative stability of the cell membranee1
- Direction
- maintainede1
- Qualifier
- under the drought stresse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“maintained relative stability of the cell membrane”
e2“in tomato plant under the drought stress”
e3“Application of potassium increasd the content of chlorophyll”
Claim · model-written summary
Potassium application strengthened tomato resistance to adverse environment under drought stress.
- Taxon
- tomato plant
Solanum lycopersicume2 - Treatment
- Application of potassiume3
- Outcome
- resistance to bad enviorenmente1
- Direction
- strengthenede1
- Qualifier
- under the drought stresse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“strengthened the resistance to bad enviorenment”
e2“in tomato plant under the drought stress”
e3“Application of potassium increasd the content of chlorophyll”
Claim · model-written summary
Potassium application decreased proline accumulation in tomato under drought stress.
- Taxon
- tomato plant
Solanum lycopersicume2 - Treatment
- Application of potassiume3
- Outcome
- accumulation of the prolinee1
- Direction
- decreasede1
- Qualifier
- under the drought stresse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e1“decreased the accumulation of the proline”
e2“in tomato plant under the drought stress”
e3“Application of potassium increasd the content of chlorophyll”
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