Abstract
Presence of Ni may influence the absorption and utilization of N by plants. A screen‐house experiment was conducted to investigate the effect of N concentrations (0, 30, 60, and 120 mg N kg‐1 soil) as influenced by Ni concentrations (0, 2.5, 5, 7.5, 10, and 20 mg Ni kg‐1 soil) on dry matter (DM) of wheat and tissue concentration and uptake of N and Ni. Application of N to soil increased the DM yield of wheat and concentration and uptake of N significantly (P ≤ 0.01) at all concentrations of Ni. The values of these parameters increased significantly (P ≤ 0.01) with the added Ni up to 10 mg kg‐1 soil but decreased with the further application of Ni to soil. The magnitude of the increase or decrease in these parameters was higher in the presence than in the absence of applied N. Nickel concentration in wheat tissue and uptake of Ni by wheat plants increased markedly (P ≤ 0.07) with the increasing concentrations of Ni in soil. A low amount of Ni was required for N absorption in plants as evidenced by the increase in concentration and uptake of N in wheat plants grown on soil treated with low concentrations of Ni. Nitrogen additions to soil showed a depressive effect on Ni concentration in wheat tissue. This decrease in tissue Ni concentration was primarily due to a growth response to applied N in soil.
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Claims 9
Claim · model-written summary
Soil N increased wheat dry matter yield significantly at all Ni levels.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Application of N to soile0
- Outcome
- DM yield of wheate0
- Direction
- increasede0
- Qualifier
- at all concentrations of Nie0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of N to soil increased the DM yield of wheat and concentration and uptake of N significantly (P ≤ 0.01) at all concentrations of Ni”
Claim · model-written summary
Soil N significantly increased wheat N concentration and uptake at all Ni levels.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Application of N to soile0
- Outcome
- concentration and uptake of Ne0
- Direction
- increasede0
- Qualifier
- at all concentrations of Nie0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of N to soil increased the DM yield of wheat and concentration and uptake of N significantly (P ≤ 0.01) at all concentrations of Ni”
Claim · model-written summary
Added Ni up to 10 mg kg‐1 soil significantly increased dry matter yield and N concentration and uptake.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- added Ni up to 10 mg kg‐1 soile0
- Outcome
- these parameterse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The values of these parameters increased significantly (P ≤ 0.01) with the added Ni up to 10 mg kg‐1 soil”
t0“wheat”
Claim · model-written summary
Further soil Ni reduced these parameters.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- further application of Ni to soile0
- Outcome
- these parameterse1
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but decreased with the further application of Ni to soil”
e1“The values of these parameters increased significantly (P ≤ 0.01) with the added Ni up to 10 mg kg‐1 soil”
t0“wheat”
Claim · model-written summary
The Ni-associated changes were greater with N application.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- applied Ne0
- Outcome
- magnitude of the increase or decreasee0
- Direction
- highere0
- Comparator
- absence of applied Ne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The magnitude of the increase or decrease in these parameters was higher in the presence than in the absence of applied N”
t0“wheat”
Claim · model-written summary
Tissue Ni concentration and Ni uptake rose with increasing soil Ni.
- Taxon
- wheatTriticum aestivume0
- Treatment
- increasing concentrations of Ni in soile0
- Outcome
- Nickel concentration in wheat tissue and uptake of Ni by wheat plantse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nickel concentration in wheat tissue and uptake of Ni by wheat plants increased markedly (P ≤ 0.07) with the increasing concentrations of Ni in soil”
Claim · model-written summary
Low Ni increased N concentration and uptake in wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- low concentrations of Nie0
- Outcome
- concentration and uptake of Ne0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increase in concentration and uptake of N in wheat plants grown on soil treated with low concentrations of Ni”
Claim · model-written summary
Soil N additions reduced tissue Ni concentration.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Nitrogen additions to soile0
- Outcome
- Ni concentration in wheat tissuee0
- Direction
- depressivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen additions to soil showed a depressive effect on Ni concentration in wheat tissue”
Claim · model-written summary
The tissue Ni decrease was attributed primarily to a growth response to N.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- applied N in soile0
- Outcome
- decrease in tissue Ni concentratione0
- Qualifier
- growth responsee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This decrease in tissue Ni concentration was primarily due to a growth response to applied N in soil”
t0“wheat”
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See all 551 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.