Abstract
Abstract No‐tillage (NT) soybean [ Glycine max (L.) Merr.] following corn ( Zea mays L.) is a common practice in the United States. It reduces production costs associated with tillage such as labor, fuel, and equipment, in addition to providing environmental benefits such as reduced erosion and carbon emissions. However, in some situations, NT soybean seed yield can be reduced compared to conventional tillage (CT). The objectives of this study were to (i) quantify the effects of nitrogen, corn residue management, and tillage on soybean seed yield, and (ii) recommend optimal residue and nitrogen (N) management strategies for NT soybean following corn. The study was conducted at the University of Wisconsin‐Madison Arlington Agricultural Research Station near Arlington, WI, during the 2022 and 2023 growing seasons. Treatments were tested in a randomized complete block design with four replicates. Treatments were combinations of NT, CT, N fertilizer application, and corn residue management (removed, chopped, or none). Soybean seed yield was not affected by removing corn residue. Applying 30 lbs N acre −1 prior to NT planting soybean into corn residue and CT increased seed yield by 4.1 bu acre −1 (6.1%) and 5.3 bu acre −1 (7.8%), respectively compared to NT soybean planted into corn residue. The addition of a low rate of spring N can be a tool for producers to increase NT soybean seed yield rather than performing tillage.
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Claims 4
Claim · model-written summary
Removing corn residue did not affect no-till soybean seed yield.
- Taxon
- soybean
Glycine maxe1 - Treatment
- removing corn residuee1
- Outcome
- Soybean seed yielde1
- Direction
- not affectede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Soybean seed yield was not affected by removing corn residue”
Claim · model-written summary
Applying 30 lb N per acre before no-till planting into corn residue increased seed yield by 4.1 bu per acre (6.1%) compared with no-till soybean in corn residue.
- Taxon
- soybeanGlycine maxe1
- Treatment
- Applying 30 lbs N acre −1 prior to NT planting soybean into corn residuee2
- Outcome
- seed yielde2
- Direction
- increasede2
- Value
- 4.1 bu acre −1 (6.1%)e2
- Comparator
- NT soybean planted into corn residuee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Soybean seed yield was not affected by removing corn residue”
e2“Applying 30 lbs N acre −1 prior to NT planting soybean into corn residue and CT increased seed yield by 4.1 bu acre −1 (6.1%) and 5.3 bu acre −1 (7.8%), respectively compared to NT soybean planted into corn residue”
Claim · model-written summary
Applying 30 lb N per acre before conventional tillage planting increased seed yield by 5.3 bu per acre (7.8%) compared with no-till soybean in corn residue.
- Taxon
- soybeanGlycine maxe1
- Treatment
- Applying 30 lbs N acre −1 prior to NT planting soybean into corn residue and CTe2
- Outcome
- seed yielde2
- Direction
- increasede2
- Value
- 5.3 bu acre −1 (7.8%)e2
- Comparator
- NT soybean planted into corn residuee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Soybean seed yield was not affected by removing corn residue”
e2“Applying 30 lbs N acre −1 prior to NT planting soybean into corn residue and CT increased seed yield by 4.1 bu acre −1 (6.1%) and 5.3 bu acre −1 (7.8%), respectively compared to NT soybean planted into corn residue”
Claim · model-written summary
A low rate of spring nitrogen can be used to increase no-till soybean seed yield instead of tillage.
- Taxon
- soybeanGlycine maxe1
- Treatment
- a low rate of spring Ne3
- Outcome
- NT soybean seed yielde3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Soybean seed yield was not affected by removing corn residue”
e3“The addition of a low rate of spring N can be a tool for producers to increase NT soybean seed yield rather than performing tillage”
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