Paper · 1972

Methods of increasing grain sorghum production in the Markham valley

G. D. Hill

4
claims
9
verbatim quotes
0
citations
1
research areas
—
Not open access

Abstract

In trials in 1969, sorghum cv. Texas 626 was given all combinations of 0, 1 or 3 cwt ammonium sulphate 0, 1 or 2 cwt superphosphate and 0, 0.5 or 2 cwt K2SO4/ac and was sown at rates of 2.3, 3.5, 7 or 14 lb seed/ac. Grain yields were increased from 1237 lb with no N to 3046 lb/ac with 3 cwt ammonium sulphate (71 lb N) and from 2341 lb at the lowest to 3092 lb at the highest sowing rate. P or K did not increase grain yields

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Claims 4

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ammonium sulphate increased sorghum grain yield from 1237 lb without N to 3046 lb/ac at 3 cwt.

Taxon
sorghumSorghume0
Material
Texas 626e0
Treatment
3 cwt ammonium sulphate (71 lb N)e1
Outcome
Grain yieldse1
Direction
increasede1
Value
3046 lb/ace1
Qualifier
1237 lbe1
Comparator
no Ne1

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“sorghum cv. Texas 626”

✓ located verbatim in the source · abstract, characters 19–40 · show in text ↑
e1

“Grain yields were increased from 1237 lb with no N to 3046 lb/ac with 3 cwt ammonium sulphate (71 lb N)”

✓ located verbatim in the source · abstract, characters 216–319 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Increasing sowing rate raised sorghum grain yield from 2341 lb at the lowest to 3092 lb at the highest rate.

Taxon
sorghumSorghume0
Material
Texas 626e0
Treatment
highest sowing ratee1
Outcome
Grain yieldse2
Direction
increasede2
Value
3092 lbe1
Qualifier
2341 lbe1
Comparator
loweste1

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“sorghum cv. Texas 626”

✓ located verbatim in the source · abstract, characters 19–40 · show in text ↑
e1

“from 2341 lb at the lowest to 3092 lb at the highest sowing rate”

✓ located verbatim in the source · abstract, characters 324–388 · show in text ↑
e2

“Grain yields were increased”

✓ located verbatim in the source · abstract, characters 216–243 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Phosphorus did not increase sorghum grain yield.

Taxon
sorghumSorghume0
Treatment
Pe1
Outcome
grain yieldse1
Direction
did not increasee1

Not reportedComparator

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“sorghum cv. Texas 626”

✓ located verbatim in the source · abstract, characters 19–40 · show in text ↑
e1

“P or K did not increase grain yields”

✓ located verbatim in the source · abstract, characters 390–426 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Potassium did not increase sorghum grain yield.

Taxon
sorghumSorghume0
Treatment
Ke1
Outcome
grain yieldse1
Direction
did not increasee1

Not reportedComparator

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

Sorghum
Sorghum · Taxon · picture of the genus (one of its species)Evelyn Simak · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“sorghum cv. Texas 626”

✓ located verbatim in the source · abstract, characters 19–40 · show in text ↑
e1

“P or K did not increase grain yields”

✓ located verbatim in the source · abstract, characters 390–426 · show in text ↑

ammonium sulfate · yield · SorghumResults agree

6 papers: 6 positive, 0 negative or no effect

5 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

2 papers more in this group

See all 6 papers →

potassium · yield · SorghumResults differ

41 papers: 24 positive, 17 negative or no effect

16 papers in the same direction as this paper · 24 in the opposite direction

  1. positive
  2. positive
  3. positive

37 papers more in this group

See all 41 papers →

phosphorus · yield · SorghumResults differ

105 papers: 92 positive, 13 negative or no effect

12 papers in the same direction as this paper · 92 in the opposite direction

  1. positive
  2. positive
  3. positive

101 papers more in this group

See all 105 papers →

density · yield · SorghumPositive and negative results

98 papers: 83 positive, 15 negative or no effect

82 papers in the same direction as this paper · 14 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. no effect

94 papers more in this group

See all 98 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.