Abstract
Soil and plant enzyme activities,as well as yield of tomato were adopted to evaluate the influence of Nitrogen over application on soil and tomato.The results showed that N application significantly effects soil enzyme activities except soil catalase.Invertase activity was significantly decreased along with increased N application rate.Phosphatase and urease activity were increased under low N application rate,yet severe restrained under high amount of N application(600 kg/hm2).The inner protective enzyme system was sensitive to N application.Reasonable N application rate stimulate catalase of tomato.High rate of N application(600 kg/hm2) severe restrict SOD,CAT and POD activities,but significantly promote Pro activity.Tomato yield was significantly effected by N application.The maximum N application rate for the highest yield of tomato was 479.41 kg/hm2.The reasonable application rate for the highest profit yield of tomato was 364.71 kg/hm2.
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Claims 13
Claim · model-written summary
Increasing N application decreased soil invertase activity.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- increased N application ratee0
- Outcome
- Invertase activitye0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Invertase activity was significantly decreased along with increased N application rate.”
t0“tomato”
Claim · model-written summary
Low N increased Phosphatase activity.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- low N application ratee0
- Outcome
- Phosphatasee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Phosphatase and urease activity were increased under low N application rate”
t0“tomato”
Claim · model-written summary
Low N increased urease activity.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- low N application ratee0
- Outcome
- ureasee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Phosphatase and urease activity were increased under low N application rate”
t0“tomato”
Claim · model-written summary
High N restricted Phosphatase activity.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- high amount of N application(600 kg/hm2)e0
- Outcome
- Phosphatasee0
- Direction
- restrainede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Phosphatase and urease activity were increased under low N application rate,yet severe restrained under high amount of N application(600 kg/hm2)”
t0“tomato”
Claim · model-written summary
High N restricted urease activity.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- high amount of N application(600 kg/hm2)e0
- Outcome
- ureasee0
- Direction
- restrainede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Phosphatase and urease activity were increased under low N application rate,yet severe restrained under high amount of N application(600 kg/hm2)”
t0“tomato”
Claim · model-written summary
Reasonable N application stimulated tomato catalase.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- Reasonable N application ratee0
- Outcome
- catalasee0
- Direction
- stimulatee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Reasonable N application rate stimulate catalase of tomato.”
t0“tomato”
Claim · model-written summary
High N restricted tomato SOD activity.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- High rate of N application(600 kg/hm2)e0
- Outcome
- SODe0
- Direction
- restricte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“High rate of N application(600 kg/hm2) severe restrict SOD,CAT and POD activities”
t0“tomato”
Claim · model-written summary
High N restricted tomato CAT activity.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- High rate of N application(600 kg/hm2)e0
- Outcome
- CATe0
- Direction
- restricte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“High rate of N application(600 kg/hm2) severe restrict SOD,CAT and POD activities”
t0“tomato”
Claim · model-written summary
High N restricted tomato POD activity.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- High rate of N application(600 kg/hm2)e0
- Outcome
- PODe0
- Direction
- restricte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“High rate of N application(600 kg/hm2) severe restrict SOD,CAT and POD activities”
t0“tomato”
Claim · model-written summary
High N promoted Pro activity.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- High rate of N application(600 kg/hm2)e0
- Outcome
- Pro activitye0
- Direction
- promotee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“High rate of N application(600 kg/hm2) severe restrict SOD,CAT and POD activities,but significantly promote Pro activity.”
t0“tomato”
Claim · model-written summary
N application significantly affected tomato yield.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- N applicatione0
- Outcome
- Tomato yielde0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Tomato yield was significantly effected by N application.”
t0“tomato”
Claim · model-written summary
The highest tomato yield occurred at an N application rate of 479.41 kg/hm2.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- N application ratee0
- Outcome
- yield of tomatoe0
- Direction
- higheste0
- Value
- 479.41 kg/hm2e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The maximum N application rate for the highest yield of tomato was 479.41 kg/hm2.”
t0“tomato”
Claim · model-written summary
The rate for highest profit yield was 364.71 kg/hm2.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- application ratee0
- Outcome
- profit yield of tomatoe0
- Direction
- higheste0
- Value
- 364.71 kg/hm2e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The reasonable application rate for the highest profit yield of tomato was 364.71 kg/hm2.”
t0“tomato”
The same questions in other papers
nitrogen · physiology: antioxidant enzymes · Solanum lycopersicum (tomato)Positive and negative results
2 papers in the same direction as this paper · 2 in the opposite direction
- no effect
- negative
- positive
1 paper more in this group
See all 5 papers →nitrogen · yield · Solanum lycopersicum (tomato)Positive and negative results
171 papers in the same direction as this paper · 31 in the opposite direction · 7 reporting no difference from an alternative
- negative
- negative
- negative
206 papers more in this group
See all 210 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.