Paper · 1989 · Experimental Agriculture

Effects of Green-stage Grazing on Rainfed Barley in Northern Syria. II. Yield and Economic Returns

S. K. Yau; M. S. Mekni; I. Naji; et al.

4
claims
8
verbatim quotes
6
citations
1
research areas
—
Not open access

Abstract

SUMMARY The effect of a single grazing at the tillering stage on barley yield and economic returns was studied with two widely grown local landraces over five seasons at Tel Hadya and two seasons at Breda in northern Syria. In general, grazing reduced both grain and straw yield, particularly the latter. The percentage of grain yield reduction was similar at the two sites. Grazing increased net revenue on average, though there were marked seasonal differences. This increase was higher at Breda, the drier site, a finding which contradicts the commonly-held belief that grazing is unprofitable in dry areas.

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Claims 4

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Single grazing at the tillering stage reduced grain and straw yield of barley.

Material
two widely grown local landracese0
Treatment
a single grazing at the tillering stagee0
Outcome
grain and straw yielde1
Direction
reducede1
Setting
Tel Hadyae0

Not reportedComparator

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

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The effect of a single grazing at the tillering stage on barley yield and economic returns was studied with two widely grown local landraces over five seasons at Tel Hadya and two seasons at Breda in northern Syria”

✓ located verbatim in the source · abstract, characters 8–222 · show in text ↑
e1

“grazing reduced both grain and straw yield, particularly the latter”

✓ located verbatim in the source · abstract, characters 236–303 · show in text ↑
Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

The percentage of grain yield reduction from grazing was similar at the two sites.

Outcome
percentage of grain yield reductione2
Direction
no_changeinferrede2
Setting
the two sitese2

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

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The effect of a single grazing at the tillering stage on barley yield and economic returns was studied with two widely grown local landraces over five seasons at Tel Hadya and two seasons at Breda in northern Syria”

✓ located verbatim in the source · abstract, characters 8–222 · show in text ↑
e2

“The percentage of grain yield reduction was similar at the two sites”

✓ located verbatim in the source · abstract, characters 305–373 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Grazing increased net revenue on average, with marked seasonal differences.

Treatment
Grazinge3
Outcome
net revenuee3
Direction
increasede3
Qualifier
marked seasonal differencese3

Not reportedComparator

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

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The effect of a single grazing at the tillering stage on barley yield and economic returns was studied with two widely grown local landraces over five seasons at Tel Hadya and two seasons at Breda in northern Syria”

✓ located verbatim in the source · abstract, characters 8–222 · show in text ↑
e3

“Grazing increased net revenue on average, though there were marked seasonal differences”

✓ located verbatim in the source · abstract, characters 375–462 · show in text ↑
Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

The net revenue increase from grazing was higher at Breda, the drier site.

Outcome
This increasee4
Direction
highere4
Setting
Bredae4

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

Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The effect of a single grazing at the tillering stage on barley yield and economic returns was studied with two widely grown local landraces over five seasons at Tel Hadya and two seasons at Breda in northern Syria”

✓ located verbatim in the source · abstract, characters 8–222 · show in text ↑
e4

“This increase was higher at Breda, the drier site”

✓ located verbatim in the source · abstract, characters 464–513 · show in text ↑

grazing · yield · Hordeum vulgare (barley)Results differ

10 papers: 3 positive, 7 negative or no effect

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

  1. positive
  2. positive
  3. positive

6 papers more in this group

See all 10 papers →

tillage · yield · Hordeum vulgare (barley)Positive and negative results

161 papers: 105 positive, 56 negative or no effect

55 papers in the same direction as this paper · 105 in the opposite direction

  1. positive
  2. positive
  3. positive

157 papers more in this group

See all 161 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.