Paper · 2010 · Xibei nongye xuebao

Effects of Potassium Application Period on the Plant Traits and Yield of Sweet Potato

Hongjuan Liu

12
claims
22
verbatim quotes
2
citations
2
research areas
—
Not open access

Abstract

Lushu No.8 was used to study the effects of potassium application period on the plant traits and yield of sweet potatoes.The results showed that applying potassium as basal dressing or top cover fertilizer promoted the basal stem growth and increased branch number,fresh weight,the percentage of big storage root,and storage root yield.Compared with the control,applying all potassium once as basal dressing increased the yield by 11.93%,half potassium as basal dressing and top cover fertilizer respectively,yield increased by 10.53%,and all potassium once as top cover fertilizer,yield increased by 9.07%.The results also showed that applying potassium as top-growth peak fertilizer increased the chlorophyll content during the later period and the percentage of medium sweet potatoes,but decreased the yield gain and dry-slice-yielding rate.Considering the potassium efficiency for the production of storage roots and convenience of fertilization in different treatments,applying potassium once as basal dressing was suitable.

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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 12

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium basal dressing promoted basal stem growth.

Taxon
Sweet PotatoIpomoea batatast0
Treatment
potassium as basal dressinge0
Outcome
basal stem growthe0
Direction
promotede0

Not reportedComparator

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“applying potassium as basal dressing or top cover fertilizer promoted the basal stem growth”

✓ located verbatim in the source · abstract, characters 145–236 · show in text ↑
t0

“Sweet Potato”

✓ located verbatim in the source · title, characters 73–85 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium top cover fertilizer promoted basal stem growth.

Taxon
Sweet PotatoIpomoea batatast0
Treatment
top cover fertilizere0
Outcome
basal stem growthe0
Direction
promotede0

Not reportedComparator

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“applying potassium as basal dressing or top cover fertilizer promoted the basal stem growth”

✓ located verbatim in the source · abstract, characters 145–236 · show in text ↑
t0

“Sweet Potato”

✓ located verbatim in the source · title, characters 73–85 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium basal dressing increased branch number and fresh weight.

Taxon
Sweet PotatoIpomoea batatast0
Treatment
potassium as basal dressinge0
Outcome
branch number,fresh weighte0
Direction
increasede0

Not reportedComparator

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“applying potassium as basal dressing or top cover fertilizer promoted the basal stem growth and increased branch number,fresh weight,the percentage of big storage root,and storage root yield”

✓ located verbatim in the source · abstract, characters 145–335 · show in text ↑
t0

“Sweet Potato”

✓ located verbatim in the source · title, characters 73–85 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium top cover fertilizer increased branch number and fresh weight.

Taxon
Sweet PotatoIpomoea batatast0
Treatment
top cover fertilizere0
Outcome
branch number,fresh weighte0
Direction
increasede0

Not reportedComparator

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“applying potassium as basal dressing or top cover fertilizer promoted the basal stem growth and increased branch number,fresh weight,the percentage of big storage root,and storage root yield”

✓ located verbatim in the source · abstract, characters 145–335 · show in text ↑
t0

“Sweet Potato”

✓ located verbatim in the source · title, characters 73–85 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium basal dressing increased big storage root percentage and storage root yield.

Taxon
Sweet PotatoIpomoea batatast0
Treatment
potassium as basal dressinge0
Outcome
percentage of big storage root,and storage root yielde0
Direction
increasede0

Not reportedComparator

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“applying potassium as basal dressing or top cover fertilizer promoted the basal stem growth and increased branch number,fresh weight,the percentage of big storage root,and storage root yield”

✓ located verbatim in the source · abstract, characters 145–335 · show in text ↑
t0

“Sweet Potato”

✓ located verbatim in the source · title, characters 73–85 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Potassium top cover fertilizer increased big storage root percentage and storage root yield.

Taxon
Sweet PotatoIpomoea batatast0
Treatment
top cover fertilizere0
Outcome
percentage of big storage root,and storage root yielde0
Direction
increasede0

Not reportedComparator

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“applying potassium as basal dressing or top cover fertilizer promoted the basal stem growth and increased branch number,fresh weight,the percentage of big storage root,and storage root yield”

✓ located verbatim in the source · abstract, characters 145–335 · show in text ↑
t0

“Sweet Potato”

✓ located verbatim in the source · title, characters 73–85 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Applying all potassium once as basal dressing increased yield by 11.93% compared with control.

Taxon
Sweet PotatoIpomoea batatast0
Treatment
applying all potassium once as basal dressinge0
Outcome
yielde0
Direction
increasede0
Value
11.93%e0
Comparator
controle0

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Compared with the control,applying all potassium once as basal dressing increased the yield by 11.93%”

✓ located verbatim in the source · abstract, characters 336–437 · show in text ↑
t0

“Sweet Potato”

✓ located verbatim in the source · title, characters 73–85 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Splitting potassium between basal dressing and top cover fertilizer increased yield by 10.53% compared with control.

Taxon
Sweet PotatoIpomoea batatast0
Treatment
half potassium as basal dressing and top cover fertilizer respectivelye0
Outcome
yielde0
Direction
increasede0
Value
10.53%e0
Comparator
controle0

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Compared with the control,applying all potassium once as basal dressing increased the yield by 11.93%,half potassium as basal dressing and top cover fertilizer respectively,yield increased by 10.53%”

✓ located verbatim in the source · abstract, characters 336–534 · show in text ↑
t0

“Sweet Potato”

✓ located verbatim in the source · title, characters 73–85 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Applying all potassium once as top cover fertilizer increased yield by 9.07% compared with control.

Taxon
Sweet PotatoIpomoea batatast0
Treatment
all potassium once as top cover fertilizere0
Outcome
yielde0
Direction
increasede0
Value
9.07%e0
Comparator
controle0

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Compared with the control,applying all potassium once as basal dressing increased the yield by 11.93%,half potassium as basal dressing and top cover fertilizer respectively,yield increased by 10.53%,and all potassium once as top cover fertilizer,yield increased by 9.07%”

✓ located verbatim in the source · abstract, characters 336–606 · show in text ↑
t0

“Sweet Potato”

✓ located verbatim in the source · title, characters 73–85 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Top-growth peak potassium increased later chlorophyll content and medium sweet potato percentage.

Taxon
sweet potatoesIpomoea batatase0
Treatment
potassium as top-growth peak fertilizere0
Outcome
chlorophyll content during the later period and the percentage of medium sweet potatoese0
Direction
increasede0

Not reportedComparator

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“applying potassium as top-growth peak fertilizer increased the chlorophyll content during the later period and the percentage of medium sweet potatoes”

✓ located verbatim in the source · abstract, characters 636–786 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Top-growth peak potassium decreased yield gain and dry-slice-yielding rate.

Taxon
sweet potatoesIpomoea batatase0
Treatment
potassium as top-growth peak fertilizere0
Outcome
yield gain and dry-slice-yielding ratee0
Direction
decreasede0

Not reportedComparator

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“applying potassium as top-growth peak fertilizer increased the chlorophyll content during the later period and the percentage of medium sweet potatoes,but decreased the yield gain and dry-slice-yielding rate”

✓ located verbatim in the source · abstract, characters 636–843 · show in text ↑
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend applying potassium once as basal dressing for efficiency and convenience.

Taxon
Sweet PotatoIpomoea batatast0
Outcome
applying potassium once as basal dressinge0
Qualifier
potassium efficiency for the production of storage roots and convenience of fertilizatione0

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

Ipomoea batatas
Ipomoea batatas · TaxonEarth100 · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Considering the potassium efficiency for the production of storage roots and convenience of fertilization in different treatments,applying potassium once as basal dressing was suitable”

✓ located verbatim in the source · abstract, characters 844–1028 · show in text ↑
t0

“Sweet Potato”

✓ located verbatim in the source · title, characters 73–85 · show in text ↑

potassium · yield · Ipomoea batatas (sweet potato)Results differ

35 papers: 32 positive, 3 negative or no effect

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

  1. negative
  2. no effect
  3. no effect

31 papers more in this group

See all 35 papers →

fertilization · growth · Ipomoea batatas (sweet potato)Results differ

63 papers: 53 positive, 10 negative or no effect

52 papers in the same direction as this paper · 10 in the opposite direction

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

59 papers more in this group

See all 63 papers →

potassium · growth · Ipomoea batatas (sweet potato)Positive and negative results

27 papers: 22 positive, 5 negative or no effect

21 papers in the same direction as this paper · 5 in the opposite direction

  1. positive
  2. negative
  3. negative

23 papers more in this group

See all 27 papers →

fertilization · yield · Ipomoea batatas (sweet potato)Positive and negative results

145 papers: 126 positive, 19 negative or no effect

125 papers in the same direction as this paper · 18 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
  2. no effect
  3. negative

141 papers more in this group

See all 145 papers →

potassium · physiology: pigments · Ipomoea batatas (sweet potato)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: pigments · Ipomoea batatas (sweet potato)Results agree

7 papers: 7 positive, 0 negative or no effect

6 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

3 papers more in this group

See all 7 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.