Paper · 2014 · He'nan nongye daxue xuebao

Effect of zinc fertilizer on yield formation of maize under water stresses

Zhiqian Wang

6
claims
10
verbatim quotes
1
citations
2
research areas
—
Not open access

Abstract

In order to clarify the effects of zinc fertilizer on yield formation of maize under water stresses,we used Zhengdan 958 as experimental materials and investigated the effects of zinc fertilizer on leaf area index,chlorophyll content,net photosynthetic rate( Pn),dry matter accumulation and translocation,zinc content in leaves and kernels,yield of maize under different water stresses. The results showed that under water stresses,adequate zinc fertilizer application could increase leaf area index and chlorophyll content,enhance net photosynthetic rate,increase dry matter accumulation and translocation to grains,and enhance water stress resistance and yield of maize. Zinc fertilizer application can increase zinc content in maize leaves and grains under different water stresses.

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Claims 6

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zinc fertilizer increased leaf area index and chlorophyll content under water stress.

Taxon
maizeZea mayst0
Treatment
adequate zinc fertilizer applicatione0
Outcome
leaf area index and chlorophyll contente0
Direction
increasee0
Qualifier
under water stressese0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“under water stresses,adequate zinc fertilizer application could increase leaf area index and chlorophyll content”

✓ located verbatim in the source · abstract, characters 411–523 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 48–53 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zinc fertilizer enhanced net photosynthetic rate under water stress.

Taxon
maizeZea mayst0
Treatment
adequate zinc fertilizer applicatione0
Outcome
net photosynthetic ratee0
Direction
enhancee0
Qualifier
under water stressese0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“under water stresses,adequate zinc fertilizer application could increase leaf area index and chlorophyll content,enhance net photosynthetic rate”

✓ located verbatim in the source · abstract, characters 411–555 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 48–53 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zinc fertilizer increased dry matter accumulation and translocation to grains under water stress.

Taxon
maizeZea mayst0
Treatment
adequate zinc fertilizer applicatione0
Outcome
dry matter accumulation and translocation to grainse0
Direction
increasee0
Qualifier
under water stressese0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“under water stresses,adequate zinc fertilizer application could increase leaf area index and chlorophyll content,enhance net photosynthetic rate,increase dry matter accumulation and translocation to grains”

✓ located verbatim in the source · abstract, characters 411–616 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 48–53 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zinc fertilizer enhanced maize water stress resistance.

Taxon
maizeZea mayse0
Treatment
adequate zinc fertilizer applicatione1
Outcome
water stress resistancee0
Direction
enhancee0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“enhance water stress resistance and yield of maize”

✓ located verbatim in the source · abstract, characters 621–671 · show in text ↑
e1

“adequate zinc fertilizer application”

✓ located verbatim in the source · abstract, characters 432–468 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zinc fertilizer enhanced maize yield under water stress.

Taxon
maizeZea mayse0
Treatment
adequate zinc fertilizer applicatione0
Outcome
yield of maizee0
Direction
enhancee0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“under water stresses,adequate zinc fertilizer application could increase leaf area index and chlorophyll content,enhance net photosynthetic rate,increase dry matter accumulation and translocation to grains,and enhance water stress resistance and yield of maize”

✓ located verbatim in the source · abstract, characters 411–671 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Zinc fertilizer increased zinc content in maize leaves and grains under different water stresses.

Taxon
maizeZea mayse0
Organ / stage
leaves and grainse0
Treatment
Zinc fertilizer applicatione0
Outcome
zinc content in maize leaves and grainse0
Direction
increasee0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Zinc fertilizer application can increase zinc content in maize leaves and grains under different water stresses”

✓ located verbatim in the source · abstract, characters 673–784 · show in text ↑

zinc atom · physiology: pigments · Zea mays (maize)Results differ

37 papers: 31 positive, 6 negative or no effect

30 papers in the same direction as this paper · 6 in the opposite direction

  1. negative
  2. negative
  3. negative

33 papers more in this group

See all 37 papers →

zinc atom · nutrient: content · Zea mays (maize)Results differ

235 papers: 199 positive, 36 negative or no effect

198 papers in the same direction as this paper · 33 in the opposite direction · 3 reporting no difference from an alternative

  1. no effect
  2. negative
  3. negative

231 papers more in this group

See all 235 papers →

zinc atom · yield · Zea mays (maize)Results differ

441 papers: 391 positive, 50 negative or no effect

390 papers in the same direction as this paper · 47 in the opposite direction · 3 reporting no difference from an alternative

  1. negative
  2. negative
  3. no effect

437 papers more in this group

See all 441 papers →

zinc atom · physiology: photosynthesis · Zea mays (maize)Positive and negative results

16 papers: 13 positive, 3 negative or no effect

12 papers in the same direction as this paper · 3 in the opposite direction

  1. negative
  2. negative
  3. negative

12 papers more in this group

See all 16 papers →

zinc atom · tolerance: abiotic · Zea mays (maize)Results agree

4 papers: 4 positive, 0 negative or no effect

3 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive
See all 4 papers →

fertilization · physiology: photosynthesis · Zea mays (maize)Results differ

104 papers: 92 positive, 12 negative or no effect

91 papers in the same direction as this paper · 12 in the opposite direction

  1. no effect
  2. no effect
  3. no effect

100 papers more in this group

See all 104 papers →

fertilization · physiology: pigments · Zea mays (maize)Positive and negative results

171 papers: 157 positive, 14 negative or no effect

156 papers in the same direction as this paper · 11 in the opposite direction · 3 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. no effect

167 papers more in this group

See all 171 papers →

fertilization · nutrient: content · Zea mays (maize)Positive and negative results

1,164 papers: 1,026 positive, 138 negative or no effect

1,025 papers in the same direction as this paper · 127 in the opposite direction · 11 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

1,160 papers more in this group

See all 1,164 papers →

8 of 10 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

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.