Paper · 2009

Growth and yield response of maize (Zea mays L.) to organic and inorganic sources of nitrogen.

Syed Tariq Shah; Muhammad Shahid Ibni Zamir; Muhammad Waseem; et al.

3
claims
6
verbatim quotes
51
citations
1
research areas
—
Not open access

Abstract

A field experiment was conducted to study growth and yield response of maize to organic and inorganic sources of N at the Agronomic Research Area, Univ. of Agriculture, Faisalabad. Two maize varieties namely Composite-78 and Composite-79 were fertilized with farm yard manure @15000 kg ha and urea @ 260 kg ha on a sandy clay loamy soil. Composite varieties differed significantly in plant height, numbers of cobs per plant, number of grains per cobs, 1000-grains weight, grains yield and harvest index. Composite -78 performed best with respect to all growth and yield parameters expect numbers of plants per unit area and number of cob bearing plants. Combined use of urea and farm yard manure performed best than their sole application in respect of grain yield which was 6.13 tons ha.

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Claims 3

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Composite maize varieties differed significantly in growth and yield traits.

Taxon
maizeZea mayst0
Outcome
plant height, numbers of cobs per plant, number of grains per cobs, 1000-grains weight, grains yield and harvest indexe0

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

“Composite varieties differed significantly in plant height, numbers of cobs per plant, number of grains per cobs, 1000-grains weight, grains yield and harvest index.”

✓ located verbatim in the source · abstract, characters 338–503 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 29–34 · show in text ↑
Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Composite -78 performed best on growth and yield parameters except plant density and cob-bearing plants.

Taxon
maizeZea mayst0
Material
Composite -78e0
Outcome
growth and yield parameterse0
Direction
beste0

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

“Composite -78 performed best with respect to all growth and yield parameters expect numbers of plants per unit area and number of cob bearing plants.”

✓ located verbatim in the source · abstract, characters 504–653 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 29–34 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined urea and farm yard manure gave the best grain yield, 6.13 tons ha.

Taxon
maizeZea mayst0
Treatment
Combined use of urea and farm yard manuree0
Outcome
grain yielde0
Direction
beste0
Value
6.13 tons hae0
Comparator
their sole applicatione0

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

“Combined use of urea and farm yard manure performed best than their sole application in respect of grain yield which was 6.13 tons ha.”

✓ located verbatim in the source · abstract, characters 654–788 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 29–34 · show in text ↑

nitrogen · yield · Zea mays (maize)Positive and negative results

2,185 papers: 1,906 positive, 279 negative or no effect

1,905 papers in the same direction as this paper · 234 in the opposite direction · 45 reporting no difference from an alternative

  1. positive
  2. positive
  3. positive

2,181 papers more in this group

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fertilization · yield · Zea mays (maize)Positive and negative results

3,908 papers: 3,485 positive, 423 negative or no effect

3,484 papers in the same direction as this paper · 338 in the opposite direction · 85 reporting no difference from an alternative

  1. negative
  2. no effect
  3. positive

3,904 papers more in this group

See all 3,908 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.