Abstract
Alternative methods are needed to control weeds in no-till corn and soybean which minimize herbicide contamination of surface or ground water. The objective of this research was to determine whether between-row (BR) mowing band-applied herbicide could help reduce herbicide use, without sacrificing summer annual weed control or yield, in no-till soybean and field corn. Glyphosate was applied shortly before or at planting to control emerged winter annual weeds in all treatments. In the BR mowing weed management system, the band-applied soil residual herbicides imazaquin alachlor in soybean or atrazine alachlor in corn were applied shortly before or after planting followed by two or more between-row mowings to control summer annual weeds. Annual weeds were first mowed when they were about 8 cm tall and again just before crop canopy closure. Between-row mowing weeds very close to the soil surface two or three times killed or suppressed summer annual grass and broadleaf weeds, chiefly giant foxtail, common cocklebur, and horseweed, when timed properly. The BR mowing weed management system increased yield above a weedy check in these no-till crops. It also controlled weeds and yielded as well as or better than broadcast-applied herbicide at the same rates. Use of soil residual herbicides to control summer annual weeds was reduced 50% by banding because only 50% of the field area was sprayed.Nomenclature: Alachlor, atrazine; glyphosate; imazaquin; common cocklebur, Xanthium strumarium L. # XANST; corn, Zea mays (L.) #3 ZEAMX, ‘Pioneer 3394’; giant foxtail, Setaria faberii (L.) Beauv. # SETFA; horseweed, Conyza canadensis (L.) Cronq # CONCA; soybean, Glycine max (L.) Merr. # GLYMA, ‘Pioneer 9461’.Additional index words: Band application, defoliation, mowing, mechanical weed control, no-till, no-tillage, tillage, topping.Abbreviations: DAP, days after planting; BR, between row.
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Claims 4
Claim · model-written summary
Between-row mowing with band-applied herbicide increased yield above a weedy check in no-till soybean and corn.
- Taxon
- Glycine max
Glycine maxt0 - Treatment
- The BR mowing weed management systeme1
- Outcome
- yielde1
- Direction
- increasede1
- Comparator
- weedy checke1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The BR mowing weed management system increased yield above a weedy check in these no-till crops”
t0“Soybean (Glycine max) and Corn (Zea mays)”
Claim · model-written summary
Between-row mowing controlled weeds and yielded as well as or better than broadcast-applied herbicide at the same rates in no-till soybean and corn.
- Taxon
- Glycine maxGlycine maxt0
- Treatment
- The BR mowing weed management systeme1
- Outcome
- controlled weedse2
- Direction
- as well as or better thane2
- Comparator
- broadcast-applied herbicidee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The BR mowing weed management system increased yield above a weedy check in these no-till crops”
e2“It also controlled weeds and yielded as well as or better than broadcast-applied herbicide at the same rates”
t0“Soybean (Glycine max) and Corn (Zea mays)”
Claim · model-written summary
Between-row mowing two or three times killed or suppressed summer annual grass and broadleaf weeds, chiefly giant foxtail and common cocklebur, when timed properly.
- Taxon
- Glycine maxGlycine maxt0
- Treatment
- Between-row mowinge3
- Interactor
- giant foxtaile3weed
- Second interactor
- common cocklebure3weed
- Outcome
- summer annual grass and broadleaf weedse3
- Direction
- killed or suppressede3
- Qualifier
- when timed properlye3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Between-row mowing weeds very close to the soil surface two or three times killed or suppressed summer annual grass and broadleaf weeds, chiefly giant foxtail, common cocklebur, and horseweed, when timed properly”
t0“Soybean (Glycine max) and Corn (Zea mays)”
Claim · model-written summary
Banding soil residual herbicides reduced their use for summer annual weed control by 50%.
- Taxon
- Glycine maxGlycine maxt0
- Treatment
- bandinge4
- Outcome
- Use of soil residual herbicidese4
- Direction
- reducede4
- Value
- 50%e4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Use of soil residual herbicides to control summer annual weeds was reduced 50% by banding because only 50% of the field area was sprayed”
t0“Soybean (Glycine max) and Corn (Zea mays)”
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