Paper · 2007 · Xibei Linxueyuan xuebao

Balanced Fertilization for Greenhouse Strawberry

Yang Yan-hong

4
claims
4
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

A randomized block test with 3 factors(N,P2O5,and K2O) and 5 levels was adopted to investigate the optimum basal match model for greenhouse strawberry .The results showed that at the same organic fertilizer condition,the lack of any one of the N,P2O5,K2O fertilizers would greatly decrease the yield of strawberry.Higher inorganic fertilization was better than the lower one,and the yield difference were not significant among different high inorganic fertilization treatments.The amount of N,P2O5,K2O fertilizers were all 210 kg·hm-2 with a ratio of 1∶1∶1.

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Claims 4

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Omission of N fertilizer greatly decreased strawberry yield under the same organic fertilizer condition.

Taxon
strawberryFragaria ×ananassae0
Treatment
the lack of any one of the N,P2O5,K2O fertilizerse0
Outcome
yield of strawberrye0
Direction
decreasee0

Not reportedComparator

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

Fragaria x ananassa
Fragaria ×ananassa · TaxonIvar Leidus · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“at the same organic fertilizer condition,the lack of any one of the N,P2O5,K2O fertilizers would greatly decrease the yield of strawberry”

✓ located verbatim in the source · abstract, characters 176–313 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Higher inorganic fertilization performed better than lower fertilization.

Treatment
Higher inorganic fertilizatione0
Outcome
yielde0
Direction
bettere0
Comparator
the lower onee0

Not reportedTaxon

Verbatim

e0

“Higher inorganic fertilization was better than the lower one,and the yield difference were not significant among different high inorganic fertilization treatments”

✓ located verbatim in the source · abstract, characters 314–476 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Yield differences among high inorganic fertilization treatments were not significant.

Treatment
different high inorganic fertilization treatmentse0
Outcome
yield differencee0
Comparator
different high inorganic fertilization treatmentse0

Not reportedTaxonDirection

Verbatim

e0

“Higher inorganic fertilization was better than the lower one,and the yield difference were not significant among different high inorganic fertilization treatments”

✓ located verbatim in the source · abstract, characters 314–476 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The reported balanced fertilizer amounts were 210 kg·hm-2 each for N, P2O5 and K2O, at a 1∶1∶1 ratio.

Outcome
N,P2O5,K2O fertilizerse0
Value
210 kg·hm-2e0
Qualifier
1∶1∶1e0

Not reportedTaxon

Verbatim

e0

“The amount of N,P2O5,K2O fertilizers were all 210 kg·hm-2 with a ratio of 1∶1∶1.”

✓ located verbatim in the source · abstract, characters 477–557 · show in text ↑

phosphorus · yield · Fragaria x ananassa (strawberry)Results differ

15 papers: 12 positive, 3 negative or no effect

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

  1. positive
  2. positive
  3. positive

11 papers more in this group

See all 15 papers →

potassium · yield · Fragaria x ananassa (strawberry)Positive and negative results

26 papers: 18 positive, 8 negative or no effect

7 papers in the same direction as this paper · 18 in the opposite direction

  1. positive
  2. positive
  3. positive

22 papers more in this group

See all 26 papers →

fertilization · yield · Fragaria x ananassa (strawberry)Positive and negative results

229 papers: 193 positive, 36 negative or no effect

35 papers in the same direction as this paper · 193 in the opposite direction

  1. positive
  2. positive
  3. positive

225 papers more in this group

See all 229 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.