Paper · 2006 · Communications in Soil Science and Plant Analysis

Response of Winter Wheat to Chloride Fertilization in Sandy Loam Soils

K. W. Freeman; K. Girma; J. Mosali; et al.

2
claims
3
verbatim quotes
12
citations
1
research areas
—
Not open access

Abstract

Abstract Chloride (Cl) as a yield and growth‐limiting nutrient has been the object of experimental attention for the last several decades. Long‐term experiments were conducted from 1996 to 2002 at Hennessey and Perkins, Oklahoma to evaluate the response of winter wheat grain yield and nitrogen (N) uptake to 0, 15 and 30 kg Cl ha−1 rates. A randomized complete block experimental design with three replications was used at both sites. Grain yield data were subjected to statistical analysis using SAS. Polynomial Orthogonal contrasts were used to detect trends in grain yield and N uptake to chloride levels. Chloride fertilizer significantly increased wheat grain yields in 50% of the site‐year combinations (14 total site years), and the increases were more notable on the sandy loam soil included in this study.

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Claims 2

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Chloride fertilizer significantly increased winter wheat grain yields in 50% of the 14 site-year combinations.

Treatment
Chloride fertilizere0
Outcome
wheat grain yieldse0
Direction
increasede0
Value
50%e0
Qualifier
of the site‐year combinationse0

Not reportedComparator

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Chloride fertilizer significantly increased wheat grain yields in 50% of the site‐year combinations (14 total site years)”

✓ located verbatim in the source · abstract, characters 610–731 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

The chloride-induced yield increases were more notable on the sandy loam soil.

Taxon
Winter WheatTriticum aestivumt0
Outcome
increasese0
Direction
more notablee0
Setting
sandy loam soile0

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

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the increases were more notable on the sandy loam soil included in this study”

✓ located verbatim in the source · abstract, characters 737–814 · show in text ↑
t0

“Winter Wheat”

✓ located verbatim in the source · title, characters 12–24 · show in text ↑

chloride · yield · Triticum aestivum (wheat)Results differ

18 papers: 16 positive, 2 negative or no effect

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

  1. positive
  2. positive
  3. positive

14 papers more in this group

See all 18 papers →

fertilization · yield · Triticum aestivum (wheat)Positive and negative results

3,438 papers: 3,115 positive, 323 negative or no effect

3,114 papers in the same direction as this paper · 284 in the opposite direction · 39 reporting no difference from an alternative

  1. no effect
  2. positive
  3. positive

3,434 papers more in this group

See all 3,438 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.