Abstract
Abstract Planting cover crops (CCs) may improve soil health, protect from soil erosion, interrupt disease and pest cycles, minimize weed infestations, provide grazing opportunities, and increase commodity crop yields. In upstate Missouri, field research (2012 and 2013) evaluated the effect of tillage (reduced and no‐till), planting date (nonseeded, early, and late Sept.) of radish ( Raphanus sativus L.), grazing (grazed and nongrazed radish) on winter annual weed control, and radish and corn ( Zea mays L.) response. The experiment was a split–split plot design with grazed and nongrazed radish as the main plot, tillage as the subplot, and radish planting time as the sub‐subplot with four replicates. The results of this research during 2011–2012 were under extreme drought and 2012–2013 under flash drought conditions. Early planted radish produced greater tuber and foliage mass and reduced winter annual weed dry weights compared to late planting. Grazing in the autumn during dry years did not affect weed control and corn yield. The use of CCs during drought conditions can help alleviate forage shortages for livestock producers, but early planting of radish is critical for autumn grazing. Late‐planted radish treatments resulted in greater corn grain yield than the early planted radish and nonseeded control in 2013; however, there was no impact of planting date and tillage on corn yield in 2012. When planted early, weed control and winter‐kill characteristics of radish make it a favorable CC prior to corn, but radish growth was poor when planted following typical corn harvest dates in upstate Missouri.
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Claims 9
Claim · model-written summary
Early planted radish produced more tuber and foliage mass than late planted radish.
- Taxon
- radish
Raphanus sativust0 - Treatment
- Early plantede0
- Outcome
- tuber and foliage masse0
- Direction
- greatere0
- Comparator
- late plantinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Early planted radish produced greater tuber and foliage mass and reduced winter annual weed dry weights compared to late planting”
t0“Radish management”
Claim · model-written summary
Early planted radish reduced winter annual weed dry weights relative to late planting.
- Taxon
- radishRaphanus sativust0
- Treatment
- Early plantede0
- Interactor
- winter annual weede0weed
- Outcome
- winter annual weed dry weightse0
- Direction
- reducede0
- Comparator
- late plantinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Early planted radish produced greater tuber and foliage mass and reduced winter annual weed dry weights compared to late planting”
t0“Radish management”
Claim · model-written summary
Autumn grazing in dry years did not affect weed control.
- Taxon
- radishRaphanus sativust0
- Treatment
- Grazing in the autumne0
- Outcome
- weed controle0
- Direction
- did not affecte0
- Qualifier
- during dry yearse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grazing in the autumn during dry years did not affect weed control and corn yield”
t0“Radish management”
Claim · model-written summary
Autumn grazing in dry years did not affect corn yield.
- Taxon
- corn
Zea mays subsp. mayst0 - Treatment
- Grazing in the autumne0
- Outcome
- corn yielde0
- Direction
- did not affecte0
- Qualifier
- during dry yearse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Grazing in the autumn during dry years did not affect weed control and corn yield”
t0“corn response”
Claim · model-written summary
Late planted radish increased corn grain yield relative to early planted and nonseeded treatments in 2013.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- Late‐planted radish treatmentse0
- Outcome
- corn grain yielde0
- Direction
- greatere0
- Qualifier
- 2013e0
- Comparator
- early planted radish and nonseeded controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Late‐planted radish treatments resulted in greater corn grain yield than the early planted radish and nonseeded control in 2013”
t0“corn response”
Claim · model-written summary
Radish planting date did not affect corn yield in 2012.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- planting datee0
- Outcome
- corn yielde0
- Direction
- no impacte0
- Qualifier
- 2012e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was no impact of planting date and tillage on corn yield in 2012”
t0“corn response”
Claim · model-written summary
Tillage did not affect corn yield in 2012.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- tillagee0
- Outcome
- corn yielde0
- Direction
- no impacte0
- Qualifier
- 2012e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was no impact of planting date and tillage on corn yield in 2012”
t0“corn response”
Claim · model-written summary
Radish growth was poor after typical corn harvest dates in upstate Missouri.
- Taxon
- radishRaphanus sativust0
- Outcome
- radish growthe0
- Direction
- poore0
- Qualifier
- following typical corn harvest datese0
- Setting
- upstate Missourie0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“radish growth was poor when planted following typical corn harvest dates in upstate Missouri”
t0“Radish management”
Claim · model-written summary
Early planting of radish is recommended for autumn grazing.
- Taxon
- radishRaphanus sativust0
- Outcome
- early planting of radishe0
- Qualifier
- autumn grazinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early planting of radish is critical for autumn grazing”
t0“Radish management”
The same questions in other papers
Raphanus sativus · yield · Zea mays (maize)Positive and negative results
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See all 269 papers →tillage · yield · Zea mays (maize)Positive and negative results
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See all 1,099 papers →sowing time · weed · Raphanus sativus (radish)Results agree
2 papers in the same direction as this paper
- positive
- positive
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.