Abstract
Most farmers now rely on herbicides and, to a lesser extent, cultivation to control weeds in Glycine max in the Midwest. However, the general public is concerned that widely used herbicides will contaminate surface and groundwater. Alternative ways to control weeds in field crops are needed to reduce or prevent herbicide contamination of surface and groundwater. A new between-row-mowing weed management system that consists of band-applied herbicides over crop rows + two or more between-row mowings was tested in G. max over 6 yr in Missouri. Mowing weeds close to the soil surface two or more times between crop rows killed or suppressed annual grass and broadleaf weeds, chiefly Setaria faberi, Ambrosia artemisiifolia, and Amaranthus spp., if properly timed. Shading by crop canopy closure contributed to weed suppression in this weed management system. G. max yield also could not be distinguished from weed-free check plots and was greater than the weedy check plots. Herbicide use was reduced 50% by banding because only 50% of the field area was sprayed. The between-row-mowing weed management system may have use in environmentally sensitive areas to help reduce soil erosion or water contamination by herbicides.
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Claims 6
Claim · model-written summary
Timed between-row mowing killed or suppressed annual grass and broadleaf weeds.
- Taxon
- Glycine max
Glycine maxt0 - Treatment
- Mowing weeds close to the soil surface two or more times between crop rowse0
- Interactor
- Setaria faberi
Setaria faberie0weedt1 - Outcome
- annual grass and broadleaf weedse0
- Direction
- killed or suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mowing weeds close to the soil surface two or more times between crop rows killed or suppressed annual grass and broadleaf weeds, chiefly Setaria faberi, Ambrosia artemisiifolia, and Amaranthus spp., if properly timed.”
t0“Glycine max”
t1“Glycine max”
Claim · model-written summary
Crop canopy shading contributed to weed suppression.
- Taxon
- Glycine maxGlycine maxt0
- Interactor
- weedse0weed
- Outcome
- weed suppressione0
- Qualifier
- Shading by crop canopy closuree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Shading by crop canopy closure contributed to weed suppression in this weed management system.”
t0“Glycine max”
t1“Glycine max”
Claim · model-written summary
Soybean yield under mowing management was indistinguishable from weed-free checks.
- Taxon
- G. maxGlycine maxe0
- Treatment
- between-row-mowing weed management systeme1
- Interactor
- weedse2weed
- Outcome
- G. max yielde0
- Direction
- could not be distinguishede0
- Comparator
- weed-free check plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“G. max yield also could not be distinguished from weed-free check plots”
t0“Between-row mowing + in-row band-applied herbicide for weed control inGlycine max”
t1“Between-row mowing + in-row band-applied herbicide for weed control inGlycine max”
e1“The between-row-mowing weed management system may have use in environmentally sensitive areas to help reduce soil erosion or water contamination by herbicides.”
e2“Mowing weeds close to the soil surface two or more times between crop rows killed or suppressed annual grass and broadleaf weeds, chiefly Setaria faberi, Ambrosia artemisiifolia, and Amaranthus spp., if properly timed.”
Claim · model-written summary
Soybean yield under mowing management exceeded weedy checks.
- Taxon
- G. maxGlycine maxe0
- Treatment
- between-row-mowing weed management systeme1
- Interactor
- weedse2weed
- Outcome
- G. max yielde0
- Direction
- greater thane0
- Comparator
- weedy check plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“G. max yield also could not be distinguished from weed-free check plots and was greater than the weedy check plots.”
t0“Between-row mowing + in-row band-applied herbicide for weed control inGlycine max”
t1“Between-row mowing + in-row band-applied herbicide for weed control inGlycine max”
e1“The between-row-mowing weed management system may have use in environmentally sensitive areas to help reduce soil erosion or water contamination by herbicides.”
e2“Mowing weeds close to the soil surface two or more times between crop rows killed or suppressed annual grass and broadleaf weeds, chiefly Setaria faberi, Ambrosia artemisiifolia, and Amaranthus spp., if properly timed.”
Claim · model-written summary
Banding reduced herbicide use by 50%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Herbicide use was reduced 50% by banding because only 50% of the field area was sprayed.”
t0“Glycine max”
t1“Glycine max”
Claim · model-written summary
Authors proposed mowing management for environmentally sensitive areas to reduce erosion or herbicide contamination.
- Taxon
- Glycine maxGlycine maxt0
- Treatment
- between-row-mowing weed management systeme0
- Outcome
- reduce soil erosion or water contamination by herbicidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The between-row-mowing weed management system may have use in environmentally sensitive areas to help reduce soil erosion or water contamination by herbicides.”
t0“Glycine max”
t1“Glycine max”
The same questions in other papers
cultivation system · yield · Glycine max (soybean)Positive and negative results
34 papers in the same direction as this paper · 25 in the opposite direction · 3 reporting no difference from an alternative
- positive
- negative
- negative
59 papers more in this group
See all 63 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.