Paper · 2010 · Progressive Horticulture

Effect of nitrogen and phosphorus on growth and bulb yield of kharif onion (Allium cepa L.) crop raised through sets in the lower hills of Himachal Pradesh

Arvind Sharma; Ranjana Bhatia; Rajni Raina

7
claims
14
verbatim quotes
1
citations
1
research areas
—
Not open access

Abstract

The study was undertaken at Jachh (HP) to find out the optimum dose of nitrogen and phosphorus for higher production of kharif onion crop raised through sets. Plant height increased linearly with the increasing levels of nitrogen (100, 125 and150kg/ha) whereas, the number of leaves were maximum with 125 kg N/ha. Phosphorus also significantly increased plant height and number of leaves registering the respective maximum values of 60.23cm and 11.33 leaves at 80 kg/ha level. A pronounced response of nitrogen application at 125 kg/ha was evident in respect of important yield attributing parameters, i.e. bulb diameter (polar), bulb weight and yield per hectare. The application of 100 kg P2O5/ha produced highest bulb yield which was at par with 80 kg dose but markedly superior to 60 kg P2O5/ha. The data on interaction effect of nitrogen and phosphorus revealed that the highest bulb yield of 185.20q/ha was obtainable when N and P2O5 were combined @ 125 and 100 kg/ha, respectively

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Claims 7

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Onion plant height rose linearly with nitrogen levels.

Taxon
kharif onion (Allium cepa L.)Allium cepat0
Treatment
nitrogen (100, 125 and150kg/ha)e0
Outcome
Plant heighte0
Direction
increasede0

Not reportedComparator

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Plant height increased linearly with the increasing levels of nitrogen (100, 125 and150kg/ha)”

✓ located verbatim in the source · abstract, characters 159–252 · show in text ↑
t0

“kharif onion (Allium cepa L.)”

✓ located verbatim in the source · title, characters 62–91 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Onion leaf number was highest at 125 kg N/ha.

Taxon
kharif onion (Allium cepa L.)Allium cepat0
Treatment
125 kg N/hae0
Outcome
number of leavese0
Direction
maximume0

Not reportedComparator

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the number of leaves were maximum with 125 kg N/ha”

✓ located verbatim in the source · abstract, characters 262–312 · show in text ↑
t0

“kharif onion (Allium cepa L.)”

✓ located verbatim in the source · title, characters 62–91 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Phosphorus increased onion plant height, reaching 60.23cm at 80 kg/ha.

Taxon
kharif onion (Allium cepa L.)Allium cepat0
Treatment
Phosphoruse0
Outcome
plant heighte0
Direction
increasede0
Value
60.23cme0
Qualifier
80 kg/ha levele0

Not reportedComparator

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Phosphorus also significantly increased plant height and number of leaves registering the respective maximum values of 60.23cm and 11.33 leaves at 80 kg/ha level”

✓ located verbatim in the source · abstract, characters 314–475 · show in text ↑
t0

“kharif onion (Allium cepa L.)”

✓ located verbatim in the source · title, characters 62–91 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Phosphorus increased onion leaf number, reaching 11.33 at 80 kg/ha.

Taxon
kharif onion (Allium cepa L.)Allium cepat0
Treatment
Phosphoruse0
Outcome
number of leavese0
Direction
increasede0
Value
11.33 leavese0
Qualifier
80 kg/ha levele0

Not reportedComparator

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Phosphorus also significantly increased plant height and number of leaves registering the respective maximum values of 60.23cm and 11.33 leaves at 80 kg/ha level”

✓ located verbatim in the source · abstract, characters 314–475 · show in text ↑
t0

“kharif onion (Allium cepa L.)”

✓ located verbatim in the source · title, characters 62–91 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Nitrogen at 125 kg/ha improved bulb diameter, bulb weight and yield.

Taxon
kharif onion (Allium cepa L.)Allium cepat0
Treatment
nitrogen application at 125 kg/hae0
Outcome
bulb diameter (polar), bulb weight and yield per hectaree0

Not reportedComparatorDirection

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“A pronounced response of nitrogen application at 125 kg/ha was evident in respect of important yield attributing parameters, i.e. bulb diameter (polar), bulb weight and yield per hectare”

✓ located verbatim in the source · abstract, characters 477–663 · show in text ↑
t0

“kharif onion (Allium cepa L.)”

✓ located verbatim in the source · title, characters 62–91 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Onion bulb yield was highest at 100 kg P2O5/ha, similar to 80 kg and above 60 kg.

Taxon
kharif onion (Allium cepa L.)Allium cepat0
Treatment
100 kg P2O5/hae0
Outcome
bulb yielde0
Direction
higheste0
Qualifier
at par with 80 kg dosee0
Comparator
60 kg P2O5/hae0

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“The application of 100 kg P2O5/ha produced highest bulb yield which was at par with 80 kg dose but markedly superior to 60 kg P2O5/ha”

✓ located verbatim in the source · abstract, characters 665–798 · show in text ↑
t0

“kharif onion (Allium cepa L.)”

✓ located verbatim in the source · title, characters 62–91 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined 125 kg N/ha and 100 kg P2O5/ha gave the highest bulb yield, 185.20q/ha.

Taxon
kharif onion (Allium cepa L.)Allium cepat0
Treatment
N and P2O5 were combined @ 125 and 100 kg/hae0
Outcome
bulb yielde0
Direction
higheste0
Value
185.20q/hae0

Not reportedComparator

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the highest bulb yield of 185.20q/ha was obtainable when N and P2O5 were combined @ 125 and 100 kg/ha, respectively”

✓ located verbatim in the source · abstract, characters 872–987 · show in text ↑
t0

“kharif onion (Allium cepa L.)”

✓ located verbatim in the source · title, characters 62–91 · show in text ↑

phosphorus · yield · Allium cepa (onion)Results differ

60 papers: 55 positive, 5 negative or no effect

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

  1. negative
  2. no effect
  3. no effect

56 papers more in this group

See all 60 papers →

nitrogen · growth · Allium cepa (onion)Results differ

81 papers: 71 positive, 10 negative or no effect

70 papers in the same direction as this paper · 9 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. negative
  3. no effect

77 papers more in this group

See all 81 papers →

nitrogen · yield · Allium cepa (onion)Positive and negative results

184 papers: 157 positive, 27 negative or no effect

156 papers in the same direction as this paper · 23 in the opposite direction · 4 reporting no difference from an alternative

  1. negative
  2. negative
  3. negative

180 papers more in this group

See all 184 papers →

phosphorus · growth · Allium cepa (onion)Results agree

32 papers: 32 positive, 0 negative or no effect

31 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

28 papers more in this group

See all 32 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.