Abstract
Abstract: This study investigated the response of corn silage to different combinations of zinc (Zn) and phosphorus (P) soil supply when grown in sandy soil. The soil was naturally poor in extractable Zn and rich in plant-available P. The experiment was conducted in outdoor containers. The treatments consisted of soil supply combinations of 3 levels of Zn (0, 5 and 10 mg Zn kg −1 of dry soil) and 4 levels of P (0, 12, 36 and 72 mg P 2 O 5 kg −1 of dry soil). The results showed the absence of a significant effect (at p ≤ 0.05) of Zn-P interaction on plant growth, plant mineral content or total aerial dry weight at harvest. P application depressed Zn shoot content, and conversely, Zn supply slightly reduced P shoot content. The total aerial dry weight at harvest was not enhanced by P application. However, it was significantly increased by Zn supply of 5 mg·kg −1 only for the highest P (72 mg·kg −1 ) application (at p ≤ 0.05). This increase was around 15% compared to no Zn soil supply. It was especially linked to kernel dry weight and particularly to pollination rate. For the highest level of P supply, Zn applications significantly enhanced (at
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Claims 6
Claim · model-written summary
Zinc–phosphorus interaction had no significant effect on corn growth, mineral content or aerial dry weight.
- Taxon
- Corn
Zea mays subsp. mayst0 - Treatment
- Zn-P interactione0
- Outcome
- plant growth, plant mineral content or total aerial dry weight at harveste0
- Direction
- absence of a significant effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“absence of a significant effect (at p ≤ 0.05) of Zn-P interaction on plant growth, plant mineral content or total aerial dry weight at harvest”
t0“Corn Silage”
Claim · model-written summary
Phosphorus application depressed corn shoot zinc content.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- P applicatione0
- Outcome
- Zn shoot contente0
- Direction
- depressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P application depressed Zn shoot content”
t0“Corn Silage”
Claim · model-written summary
Zinc supply slightly reduced corn shoot phosphorus content.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Zn supplye0
- Outcome
- P shoot contente0
- Direction
- slightly reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Zn supply slightly reduced P shoot content”
t0“Corn Silage”
Claim · model-written summary
Phosphorus application did not enhance corn aerial dry weight at harvest.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- P applicatione0
- Outcome
- total aerial dry weight at harveste0
- Direction
- not enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The total aerial dry weight at harvest was not enhanced by P application.”
t0“Corn Silage”
Claim · model-written summary
At the highest phosphorus supply, 5 mg·kg −1 zinc increased corn aerial dry weight by around 15% versus no zinc.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Zn supply of 5 mg·kg −1e0
- Outcome
- total aerial dry weight at harveste1
- Direction
- increasede0
- Value
- 15%e0
- Qualifier
- highest P (72 mg·kg −1 ) applicatione0
- Comparator
- no Zn soil supplye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significantly increased by Zn supply of 5 mg·kg −1 only for the highest P (72 mg·kg −1 ) application (at p ≤ 0.05). This increase was around 15% compared to no Zn soil supply.”
t0“Corn Silage”
e1“The total aerial dry weight at harvest was not enhanced by P application.”
Claim · model-written summary
The dry-weight increase was especially linked to kernel dry weight and pollination rate.
- Taxon
- CornZea mays subsp. mayst0
- Organ / stage
- kernele0
- Outcome
- kernel dry weighte0
- Direction
- linkede0
- Qualifier
- pollination ratee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It was especially linked to kernel dry weight and particularly to pollination rate.”
t0“Corn Silage”
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