Paper · 2019 · Journal of Sugarbeet Research

Replanting Guidelines for Sugar Beet Production in Southern Minnesota

Mark Bloomquist; Andrew Lenssen; Kenneth Moore

5
claims
10
verbatim quotes
0
citations
1
research areas
✓
Open access

Abstract

Establishing an adequate plant population is one of the first challenges of sugar beet production. Reduced sugar beet emergence results in a decision between a lower than desired plant population or replanting the field. The objective of this study was to determine the plant population that warrants replanting a field to maximize extractable sugar ha -1 . The study was conducted in three environments during the 2016 and 2017 growing seasons. Two planting dates and six plant populations were utilized in each environment. The two planting dates were separated by 19 or 20 days to simulate a replant situation. Sugar beets in each planting date were hand thinned to six populations of 44,000, 58,700, 73,400, 88,100, 102,800, and 117,400 plants ha -1 . Planting date and plant population did not significantly affect sugar concentration. However, planting date and plant population influenced yield and extractable sugar ha -1 . Extractable sugar yield was maximized with the first planting date and populations of 102,800 and 117,400 plants ha -1 . A population of 58,700 plants ha -1 in the first planting date had similar extractable sugar yield to the second planting date populations of 88,100, 102,800, and 117,400 plants ha -1 . Sugar beet populations above 58,700 plants ha -1 should not be replanted based on the results from this study.

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Claims 5

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Planting date and plant population did not significantly affect sugar concentration in sugar beet.

Treatment
Planting date and plant populatione1
Outcome
sugar concentratione1
Direction
no_changeinferrede1

Not reportedComparator

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

Beta vulgaris subsp. vulgaris
Beta vulgaris subsp. vulgaris · TaxonQuadell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e1

“Planting date and plant population did not significantly affect sugar concentration”

✓ located verbatim in the source · abstract, characters 756–839 · show in text ↑
t0

“Sugar Beet Production”

✓ located verbatim in the source · title, characters 26–47 · show in text ↑
Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Planting date and plant population influenced yield and extractable sugar per hectare in sugar beet.

Treatment
planting date and plant populatione2
Outcome
yield and extractable sugar ha -1e2

Not reportedComparatorDirection

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

Beta vulgaris subsp. vulgaris
Beta vulgaris subsp. vulgaris · TaxonQuadell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e2

“planting date and plant population influenced yield and extractable sugar ha -1”

✓ located verbatim in the source · abstract, characters 850–929 · show in text ↑
t0

“Sugar Beet Production”

✓ located verbatim in the source · title, characters 26–47 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Extractable sugar yield was maximized with the first planting date and populations of 102,800 and 117,400 plants per hectare.

Treatment
first planting date and populations of 102,800 and 117,400 plants ha -1e3
Outcome
Extractable sugar yielde3
Direction
maximizede3

Not reportedComparator

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

Beta vulgaris subsp. vulgaris
Beta vulgaris subsp. vulgaris · TaxonQuadell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e3

“Extractable sugar yield was maximized with the first planting date and populations of 102,800 and 117,400 plants ha -1”

✓ located verbatim in the source · abstract, characters 932–1050 · show in text ↑
t0

“Sugar Beet Production”

✓ located verbatim in the source · title, characters 26–47 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

A population of 58,700 plants per hectare in the first planting date gave extractable sugar yield similar to the second planting date populations of 88,100, 102,800 and 117,400 plants per hectare.

Treatment
58,700 plants ha -1 in the first planting datee4
Outcome
extractable sugar yielde4
Direction
no_changeinferrede4
Comparator
88,100, 102,800, and 117,400 plants ha -1e4

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

Beta vulgaris subsp. vulgaris
Beta vulgaris subsp. vulgaris · TaxonQuadell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e4

“A population of 58,700 plants ha -1 in the first planting date had similar extractable sugar yield to the second planting date populations of 88,100, 102,800, and 117,400 plants ha -1”

✓ located verbatim in the source · abstract, characters 1053–1236 · show in text ↑
t0

“Sugar Beet Production”

✓ located verbatim in the source · title, characters 26–47 · show in text ↑
Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Sugar beet populations above 58,700 plants per hectare should not be replanted, based on the study results.

Outcome
should not be replantede5
Qualifier
populations above 58,700 plants ha -1e5

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

Beta vulgaris subsp. vulgaris
Beta vulgaris subsp. vulgaris · TaxonQuadell · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e5

“Sugar beet populations above 58,700 plants ha -1 should not be replanted based on the results from this study”

✓ located verbatim in the source · abstract, characters 1239–1348 · show in text ↑
t0

“Sugar Beet Production”

✓ located verbatim in the source · title, characters 26–47 · show in text ↑

sowing time · quality: sugar starch · Beta vulgaris (beet)Positive and negative results

12 papers: 6 positive, 6 negative or no effect

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

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

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density · quality: sugar starch · Beta vulgaris (beet)Positive and negative results

18 papers: 13 positive, 5 negative or no effect

4 papers in the same direction as this paper · 13 in the opposite direction

  1. negative
  2. positive
  3. positive

14 papers more in this group

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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.