Paper · 1966 · Canadian Journal of Soil Science

EFFECTS OF DIFFERENT SOIL MOISTURE TENSIONS ON FLAX AND CEREALS

S. J. Bourget; B. J. Finn; B. K. Dow

4
claims
7
verbatim quotes
14
citations
1
research areas
✓
Open access

Abstract

Young seedlings of flax and cereals, grown in a greenhouse, were subjected to 0, 12.5, and 25.0 cm of soil moisture tension for periods of 7, 14, and 21 days The grain, straw, and root yields of all plant species, except barky, increased with increasing soil moisture content was maintained near field capacity during the growth of plants. The yields of oats, winter wheat, and fall rye decreased with increasing duration of flooding, whereas those of barley, flax and spring wheat were variable. Correlation coefficients between yields of tops and roots were positive.

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Claims 4

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Grain, straw and root yields of the plant species increased with increasing soil moisture content, except barley.

Taxon
flax and cerealse0
Treatment
increasing soil moisture contente1
Outcome
grain, straw, and root yieldse1
Direction
increasede1
Qualifier
except barkye1

Not reportedComparator

Verbatim

e0

“Young seedlings of flax and cereals, grown in a greenhouse”

✓ located verbatim in the source · abstract, characters 0–58 · show in text ↑
e1

“The grain, straw, and root yields of all plant species, except barky, increased with increasing soil moisture content was maintained near field capacity during the growth of plants”

✓ located verbatim in the source · abstract, characters 158–338 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Yields of oats, winter wheat and fall rye decreased with increasing duration of flooding.

Taxon
oats, winter wheat, and fall ryee2
Treatment
increasing duration of floodinge2
Outcome
yieldse2
Direction
decreasede2

Not reportedComparator

Verbatim

e2

“The yields of oats, winter wheat, and fall rye decreased with increasing duration of flooding”

✓ located verbatim in the source · abstract, characters 340–433 · show in text ↑
Intervention effectobservedoriginal resultmixedmeasured

Claim · model-written summary

Yields of barley, flax and spring wheat were variable across flooding durations.

Treatment
duration of floodinge2
Outcome
yieldse2
Direction
were variablee3

Not reportedComparator

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

Linum usitatissimum
Linum usitatissimum · TaxonH. Zell · CC BY-SA 3.0 · Wikimedia Commons ↗
Hordeum vulgare
Hordeum vulgare · TaxonJackyM59 · CC BY-SA 4.0 · Wikimedia Commons ↗
Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e2

“The yields of oats, winter wheat, and fall rye decreased with increasing duration of flooding”

✓ located verbatim in the source · abstract, characters 340–433 · show in text ↑
e3

“whereas those of barley, flax and spring wheat were variable”

✓ located verbatim in the source · abstract, characters 435–495 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Correlation coefficients between yields of tops and roots were positive.

Taxon
flax and cerealse0
Organ / stage
tops and rootse4
Outcome
correlation coefficients between yields of tops and rootse4
Direction
positivee4

Verbatim

e0

“Young seedlings of flax and cereals, grown in a greenhouse”

✓ located verbatim in the source · abstract, characters 0–58 · show in text ↑
e4

“Correlation coefficients between yields of tops and roots were positive”

✓ located verbatim in the source · abstract, characters 497–568 · show in text ↑

flooding · yield · Secale cereale (rye)Positive and negative results

3 papers: 1 positive, 2 negative or no effect

1 paper in the same direction as this paper · 1 in the opposite direction

  1. positive
  2. negative
See all 3 papers →

flooding · yield · Avena sativa (oats)Positive and negative results

5 papers: 2 positive, 3 negative or no effect

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

  1. positive
  2. positive
  3. negative

1 paper more in this group

See all 5 papers →

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

102 papers: 17 positive, 85 negative or no effect

84 papers in the same direction as this paper · 17 in the opposite direction

  1. negative
  2. negative
  3. negative

98 papers more in this group

See all 102 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.