Abstract
ABSTRACT Field pennycress ( Thlaspi arvense L.; hereafter pennycress) is an oilseed crop being investigated as an off‐season biofuel source that can potentially fit into the existing crop rotation cycle with soybean [ Glycine max (L.) Merr.]. The objective of this 2‐yr study was to evaluate the effect of pennycress residue on seed yield and quality components of soybean planted during five consecutive weeks, from mid‐May to mid‐June. In 2009 and 2010, the mean soybean dry weight seed yield after pennycress residue for all planting dates (4108 and 3490 kg ha −1 , respectively) was greater than yield from fallow control plots (3636 and 2992 kg ha −1 , respectively). However, in 2010, soybean planted after pennycress had slightly lower oil content (202 g kg −1 ) than that obtained from fallow control plots (207 g kg −1 ) ( P < 0.01). Delayed planting until mid‐June resulted in lower population density, plant height, seed yield, and oil concentration. Before June, planting date had no significant influence on soybean seed yield and quality. Protein content in soybean seed was not affected by year, pennycress residue, or planting date. Variation in the experimental year temperature values led to significant changes in oil components. High temperatures decreased levels of linoleic, linolenic, and stearic acids but increased levels of palmitic and oleic acids. Overall, pennycress had no negative effect on the subsequent soybean crop.
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Claims 7
Claim · model-written summary
Soybean seed yield after pennycress residue exceeded fallow in 2009 and 2010.
- Taxon
- soybean
Glycine maxe0 - Treatment
- pennycress residuee0
- Outcome
- soybean dry weight seed yielde0
- Direction
- greatere0
- Value
- 4108 and 3490 kg ha −1e0
- Qualifier
- 3636 and 2992 kg ha −1e0
- Comparator
- fallow control plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 2009 and 2010, the mean soybean dry weight seed yield after pennycress residue for all planting dates (4108 and 3490 kg ha −1 , respectively) was greater than yield from fallow control plots (3636 and 2992 kg ha −1 , respectively).”
Claim · model-written summary
Pennycress residue lowered soybean oil content in 2010.
- Taxon
- soybeanGlycine maxe0
- Treatment
- pennycresse0
- Outcome
- oil contente0
- Direction
- lowere0
- Value
- 202 g kg −1e0
- Qualifier
- 207 g kg −1e0
- Comparator
- fallow control plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in 2010, soybean planted after pennycress had slightly lower oil content (202 g kg −1 ) than that obtained from fallow control plots (207 g kg −1 ) ( P < 0.01).”
Claim · model-written summary
Planting in mid-June lowered soybean population density, height, yield and oil concentration.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Delayed planting until mid‐Junee0
- Outcome
- population density, plant height, seed yield, and oil concentratione0
- Direction
- lowere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Delayed planting until mid‐June resulted in lower population density, plant height, seed yield, and oil concentration.”
t0“Soybean”
Claim · model-written summary
Before June, planting date did not significantly influence soybean seed yield and quality.
- Taxon
- SoybeanGlycine maxe0
- Treatment
- planting datee0
- Outcome
- soybean seed yield and qualitye0
- Direction
- no significant influencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Before June, planting date had no significant influence on soybean seed yield and quality.”
t0“Soybean”
Claim · model-written summary
Soybean seed protein content was unaffected by year, residue or planting date.
- Taxon
- soybeanGlycine maxe0
- Outcome
- Protein contente0
- Direction
- not affectede0
- Qualifier
- year, pennycress residue, or planting datee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Protein content in soybean seed was not affected by year, pennycress residue, or planting date.”
Claim · model-written summary
High temperatures decreased linoleic, linolenic and stearic acids in soybean seed.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- High temperaturese0
- Outcome
- levels of linoleic, linolenic, and stearic acidse0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High temperatures decreased levels of linoleic, linolenic, and stearic acids but increased levels of palmitic and oleic acids.”
t0“Soybean”
Claim · model-written summary
High temperatures increased palmitic and oleic acids in soybean seed.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- High temperaturese0
- Outcome
- levels of palmitic and oleic acidse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“High temperatures decreased levels of linoleic, linolenic, and stearic acids but increased levels of palmitic and oleic acids.”
t0“Soybean”
The same questions in other papers
sowing time · pest · Glycine max (soybean)Positive and negative results
9 papers in the same direction as this paper · 5 in the opposite direction
- no effect
- positive
- positive
11 papers more in this group
See all 15 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.