Abstract
Abstract Growth of corn ( Zea mays L.) seedlings in solution cultures responded to temperature > Zn rate > P carrier > Zn source. Phosphorus accumulated in roots and shoots of Zn‐deficient seedlings at the higher temperature, but was depleted from roots when seedlings were supplied with Zn. Nearly similar Zn concentrations were usually present in roots and shoots of seedlings grown at the lower temperature, suggesting that temperature affected soil Zn availability more than uptake or translocation. Monoammonium phosphate (MAP) was slightly more favorable for growth than ammonium polyphosphate (APP), but APP increased P uptake more than MAP. Chelated Zn was a slightly more efficient source than Zn sulfate. Phosphorus depressed corn grain yields when soil Zn levels were low. Applying Zn increased grain yields only to levels produced without P fertilization. Concentrations of P in the leaves varied inversely with the rate of Zn fertilization, but concentrations of Zn were not affected markedly by the treatments. APP and chelated Zn were only slightly better sources than MAP and Zn sulfate, respectively.
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Claims 12
Claim · model-written summary
Corn seedling growth in solution culture responded to temperature, Zn rate, P carrier and Zn source, in that order.
- Taxon
- Corn
Zea mays subsp. mayst0 - Treatment
- temperaturee0
- Outcome
- Growthe0
- Direction
- responded to temperature > Zn rate > P carrier > Zn sourcee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth of corn ( Zea mays L.) seedlings in solution cultures responded to temperature > Zn rate > P carrier > Zn source”
t0“Interaction in Corn”
Claim · model-written summary
Phosphorus accumulated in roots and shoots of seedlings grown at the higher temperature.
- Taxon
- CornZea mays subsp. mayst0
- Organ / stage
- roots and shootse1
- Treatment
- higher temperaturee2
- Outcome
- Phosphorus accumulated in roots and shootse1
- Direction
- accumulatede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Interaction in Corn”
e1“Phosphorus accumulated in roots and shoots of”
e2“seedlings at the higher temperature”
Claim · model-written summary
Phosphorus was depleted from roots of seedlings supplied with Zn.
- Taxon
- CornZea mays subsp. mayst0
- Organ / stage
- rootse3
- Treatment
- supplied with Zne3
- Outcome
- was depleted from rootse3
- Direction
- depletede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Interaction in Corn”
e3“but was depleted from roots when seedlings were supplied with Zn”
Claim · model-written summary
Zn concentrations in roots and shoots were nearly similar at the lower temperature.
- Taxon
- CornZea mays subsp. mayst0
- Organ / stage
- roots and shootse4
- Treatment
- lower temperaturee4
- Outcome
- Zn concentrationse4
- Direction
- no_changeinferrede4
- Qualifier
- usuallye4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Interaction in Corn”
e4“Nearly similar Zn concentrations were usually present in roots and shoots of seedlings grown at the lower temperature”
Claim · model-written summary
Temperature appears to affect soil Zn availability more than Zn uptake or translocation in corn.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- temperaturee1
- Outcome
- soil Zn availabilitye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Interaction in Corn”
e1“suggesting that temperature affected soil Zn availability more than uptake or translocation”
Claim · model-written summary
Monoammonium phosphate was slightly more favorable for corn growth than ammonium polyphosphate.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Monoammonium phosphate (MAP)e5
- Outcome
- growthe5
- Direction
- more favorablee5
- Qualifier
- slightlye5
- Comparator
- ammonium polyphosphate (APP)e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Interaction in Corn”
e5“Monoammonium phosphate (MAP) was slightly more favorable for growth than ammonium polyphosphate (APP)”
Claim · model-written summary
Ammonium polyphosphate increased corn P uptake more than monoammonium phosphate.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Interaction in Corn”
e6“APP increased P uptake more than MAP”
Claim · model-written summary
Chelated Zn was slightly more efficient as a Zn source than Zn sulfate in corn.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Chelated Zne7
- Outcome
- efficient sourcee7
- Direction
- more efficiente7
- Qualifier
- slightlye7
- Comparator
- Zn sulfatee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Interaction in Corn”
e7“Chelated Zn was a slightly more efficient source than Zn sulfate”
Claim · model-written summary
Phosphorus depressed corn grain yields when soil Zn levels were low.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Phosphoruse1
- Outcome
- corn grain yieldse1
- Direction
- depressede1
- Qualifier
- when soil Zn levels were lowe1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Interaction in Corn”
e1“Phosphorus depressed corn grain yields when soil Zn levels were low”
Claim · model-written summary
Applying Zn increased corn grain yields only to levels produced without P fertilization.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- Applying Zne1
- Outcome
- grain yieldse1
- Direction
- increasede1
- Qualifier
- only to levelse1
- Comparator
- without P fertilizatione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Interaction in Corn”
e1“Applying Zn increased grain yields only to levels produced without P fertilization”
Claim · model-written summary
Leaf P concentration varied inversely with the rate of Zn fertilization in corn.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- rate of Zn fertilizatione1
- Outcome
- Concentrations of P in the leavese1
- Direction
- varied inverselye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Interaction in Corn”
e1“Concentrations of P in the leaves varied inversely with the rate of Zn fertilization”
Claim · model-written summary
Zn concentrations in corn were not affected markedly by the treatments.
- Taxon
- CornZea mays subsp. mayst0
- Treatment
- the treatmentse1
- Outcome
- concentrations of Zne1
- Direction
- not affected markedlye1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Interaction in Corn”
e1“concentrations of Zn were not affected markedly by the treatments”
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