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“yield decrease”

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paper W2006662314 ✕

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Corn hybrids showed no consistent differences in grain yield or mycotoxins.

Taxon: cornZea mays subsp. mayse6
Treatment: hybridse2
Outcome: grain yields or mycotoxinse2

Verbatim

e6
“Potassium maintains water status in corn ( Zea mays L)”
✓ located verbatim in the source · abstract, characters 0–54

e2
“Consistent differences in grain yields or mycotoxins were not found among hybrids or plants/acre”
✓ located verbatim in the source · abstract, characters 1075–1171

Title

Additional Potassium Did Not Decrease Aflatoxin or Fumonisin nor Increase Corn Yields

H. Arnold Bruns; Hamed K. Abbas Crop Management 2010. doi:10.1094/cm-2010-0216-01-rs

Other claims from this paper (8)

Intervention effect Increased potassium fertility did not reduce aflatoxin contamination of corn grain.
Intervention effect Increased potassium fertility did not reduce fumonisin contamination of corn grain.
Intervention effect Increased potassium fertility did not increase corn grain yield.
Observation Corn plant densities showed no consistent differences in grain yield or mycotoxins.
Mechanism Differences among years in mycotoxins and yield likely resulted from differences in rainfall.
Recommendation Current potassium fertilizer recommendations appear adequate for both low mycotoxin levels and high grain yields.
Observation Site 1 soil needed 60 lbs K 2 O/acre to yield 200 bu/acre of corn.
Observation Site 2 soil needed 90 lbs/acre of potassium for corn.

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Corn plant densities showed no consistent differences in grain yield or mycotoxins.

Taxon: cornZea mays subsp. mayse6
Treatment: plants/acree2
Outcome: grain yields or mycotoxinse2

Verbatim

e6
“Potassium maintains water status in corn ( Zea mays L)”
✓ located verbatim in the source · abstract, characters 0–54

e2
“Consistent differences in grain yields or mycotoxins were not found among hybrids or plants/acre”
✓ located verbatim in the source · abstract, characters 1075–1171

Title

Additional Potassium Did Not Decrease Aflatoxin or Fumonisin nor Increase Corn Yields

H. Arnold Bruns; Hamed K. Abbas Crop Management 2010. doi:10.1094/cm-2010-0216-01-rs

Other claims from this paper (8)

Intervention effect Increased potassium fertility did not reduce aflatoxin contamination of corn grain.
Intervention effect Increased potassium fertility did not reduce fumonisin contamination of corn grain.
Intervention effect Increased potassium fertility did not increase corn grain yield.
Observation Corn hybrids showed no consistent differences in grain yield or mycotoxins.
Mechanism Differences among years in mycotoxins and yield likely resulted from differences in rainfall.
Recommendation Current potassium fertilizer recommendations appear adequate for both low mycotoxin levels and high grain yields.
Observation Site 1 soil needed 60 lbs K 2 O/acre to yield 200 bu/acre of corn.
Observation Site 2 soil needed 90 lbs/acre of potassium for corn.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Increased potassium fertility did not increase corn grain yield.

Taxon: cornZea mays subsp. mayse6
Treatment: increased K 2 O fertilitye0
Outcome: yieldse1
Direction: increasee1
Setting: Stoneville, MSe0

Not reportedComparator

Verbatim

e6
“Potassium maintains water status in corn ( Zea mays L)”
✓ located verbatim in the source · abstract, characters 0–54

e0
“Two experiments at Stoneville, MS, in 2004, 2006, and 2007 examined if increased K 2 O fertility detered grain contamination by aflatoxin and fumonisin, produced by Aspergillus flavus and Fusarium verticillioide (=F. moniliforme) , respectively”
✓ located verbatim in the source · abstract, characters 83–327

e1
“Potassium did not reduce mycotoxins or increase yields”
✓ located verbatim in the source · abstract, characters 1019–1073

Title

Additional Potassium Did Not Decrease Aflatoxin or Fumonisin nor Increase Corn Yields

H. Arnold Bruns; Hamed K. Abbas Crop Management 2010. doi:10.1094/cm-2010-0216-01-rs

Other claims from this paper (8)

Intervention effect Increased potassium fertility did not reduce aflatoxin contamination of corn grain.
Intervention effect Increased potassium fertility did not reduce fumonisin contamination of corn grain.
Observation Corn hybrids showed no consistent differences in grain yield or mycotoxins.
Observation Corn plant densities showed no consistent differences in grain yield or mycotoxins.
Mechanism Differences among years in mycotoxins and yield likely resulted from differences in rainfall.
Recommendation Current potassium fertilizer recommendations appear adequate for both low mycotoxin levels and high grain yields.
Observation Site 1 soil needed 60 lbs K 2 O/acre to yield 200 bu/acre of corn.
Observation Site 2 soil needed 90 lbs/acre of potassium for corn.

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