Abstract
Sand culture experiment,biochemical determination and plant analysis were used to investigate the effects of N and Zn combined application on growth of white clover,concentration of N and Zn in plant,as well as related mechanisms.The main findings showed that the effects of combined N and Zn application on growth,absorption and concentration of N and Zn of white clover as well as their physiological-biochemical characteristics were different at various levels of N and Zn.Under the condition of Zn deficiency,the content of IAA,GAs and SOD decreased and the content of ABA and MDA increased.Therefore,the growth and N and Zn absorption of white clover showed antagonism effect with the increasing rate of N supply.However,under the condition of Zn sufficiency,the content of IAA,GAs and SOD increased and the content of ABA and MDA decreased by suitable amount of N supply.Consequently,the growth and N and Zn absorption of white clover displayed synergism effect.Nevertheless,with high amount of N supply,the growth and N and Zn absorption of white clover displayed antagonism effect.The condensation effect and dilution effect should be considered when determining the types of N and Zn compound effect.The changes of growth rate and absorption rate of N and Zn should be used to determine the types of N and Zn compound effect.
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Claims 9
Claim · model-written summary
Under zinc deficiency, IAA, GAs and SOD content decreased.
- Taxon
- white clover
Trifolium repenst0 - Outcome
- content of IAA,GAs and SODe0
- Direction
- decreasede0
- Qualifier
- Zn deficiencye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under the condition of Zn deficiency,the content of IAA,GAs and SOD decreased”
t0“White Clover”
Claim · model-written summary
Under zinc deficiency, ABA and MDA content increased.
- Taxon
- white cloverTrifolium repenst0
- Outcome
- content of ABA and MDAe0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the content of ABA and MDA increased”
t0“White Clover”
Claim · model-written summary
With zinc deficiency and increasing nitrogen, growth and N and Zn absorption showed antagonism.
- Taxon
- white cloverTrifolium repense0
- Treatment
- increasing rate of N supplye0
- Outcome
- growth and N and Zn absorptione0
- Direction
- antagonism effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the growth and N and Zn absorption of white clover showed antagonism effect with the increasing rate of N supply”
Claim · model-written summary
With sufficient zinc and suitable nitrogen, IAA, GAs and SOD content increased.
- Taxon
- white cloverTrifolium repenst0
- Treatment
- suitable amount of N supplye0
- Outcome
- content of IAA,GAs and SODe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“under the condition of Zn sufficiency,the content of IAA,GAs and SOD increased and the content of ABA and MDA decreased by suitable amount of N supply”
t0“White Clover”
Claim · model-written summary
With sufficient zinc and suitable nitrogen, ABA and MDA content decreased.
- Taxon
- white cloverTrifolium repenst0
- Treatment
- suitable amount of N supplye0
- Outcome
- content of ABA and MDAe0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the content of ABA and MDA decreased by suitable amount of N supply”
t0“White Clover”
Claim · model-written summary
With sufficient zinc, suitable nitrogen supply yielded synergistic growth and N and Zn absorption.
- Taxon
- white cloverTrifolium repense0
- Outcome
- growth and N and Zn absorptione0
- Direction
- synergism effecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the growth and N and Zn absorption of white clover displayed synergism effect”
Claim · model-written summary
High nitrogen supply yielded antagonistic growth and N and Zn absorption.
- Taxon
- white cloverTrifolium repense0
- Treatment
- high amount of N supplye0
- Outcome
- growth and N and Zn absorptione0
- Direction
- antagonism effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with high amount of N supply,the growth and N and Zn absorption of white clover displayed antagonism effect”
Claim · model-written summary
Condensation and dilution effects should be considered when classifying N and Zn effects.
- Taxon
- white cloverTrifolium repenst0
- Outcome
- condensation effect and dilution effect should be considerede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The condensation effect and dilution effect should be considered when determining the types of N and Zn compound effect”
t0“White Clover”
Claim · model-written summary
Changes in growth and nutrient absorption rates should be used to classify combined N and Zn effects.
- Taxon
- white cloverTrifolium repenst0
- Outcome
- changes of growth rate and absorption rate of N and Zn should be usede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The changes of growth rate and absorption rate of N and Zn should be used to determine the types of N and Zn compound effect”
t0“White Clover”
The same questions in other papers
nitrogen · growth · Trifolium repens (white clover)Results differ
14 papers in the same direction as this paper · 13 in the opposite direction
- positive
- positive
- positive
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See all 28 papers →nitrogen · physiology: oxidative · Trifolium repens (white clover)Results agree
1 paper in the same direction as this paper
- positive
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.