Modeling the Effects of Nitrogen Fertilizer and Multiple Weed Interference on Soybean Yield Article Swipe
Jong‐Seok Song
,
Ji-Hoon Im
,
Jin‐Won Kim
,
Dong-Gil Kim
,
Yeonhwa Lim
,
Min‐Jung Yook
,
Soo‐Hyun Lim
,
Do‐Soon Kim
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.3390/agronomy11030515
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.3390/agronomy11030515
Understanding the effects of nitrogen (N) fertilizer on soybean-weed competition is essential for establishing a practical tool for N application and weed management. A two-year field experiment was conducted in a soybean field located in Bogatyrka (43.82° N, 131.6° E), Primorsky krai, Russia, to investigate the effects of N fertilizer and multiple-weed interference on soybean (Glycine max) yield and to model these effects. Soybean yield loss caused by the interference of multiple weeds including common ragweed (Ambrosia artemisiifolia), barnyard grass (Echinochloa crus-galli), and American slough grass (Beckmannia syzigachne) at different levels of N fertilizer was accurately described by a combined model incorporating inverse quadratic and exponential models into the rectangular hyperbolic model for two parameters Y0 and β, respectively. The combined model used in our study indicated that the application of N up to 36 kg N ha−1 can increase weed-free soybean yield by 2.2 Mg ha−1 but soybean yield under multiple-weed interference can sharply decrease with increasing total density equivalent, particularly at 36 kg N ha−1. These results, including the combined model, thus can support decision making for weed management under different N uses in soybean cultivation.
Related Topics
Concepts
Weed
Agronomy
Fertilizer
Ambrosia artemisiifolia
Yield (engineering)
Mathematics
Field experiment
Weed control
Ragweed
Biology
Physics
Thermodynamics
Allergy
Immunology
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/agronomy11030515
- https://www.mdpi.com/2073-4395/11/3/515/pdf?version=1615374370
- OA Status
- gold
- Cited By
- 7
- References
- 30
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3135807527
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3135807527Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/agronomy11030515Digital Object Identifier
- Title
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Modeling the Effects of Nitrogen Fertilizer and Multiple Weed Interference on Soybean YieldWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2021Year of publication
- Publication date
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2021-03-10Full publication date if available
- Authors
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Jong‐Seok Song, Ji-Hoon Im, Jin‐Won Kim, Dong-Gil Kim, Yeonhwa Lim, Min‐Jung Yook, Soo‐Hyun Lim, Do‐Soon KimList of authors in order
- Landing page
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https://doi.org/10.3390/agronomy11030515Publisher landing page
- PDF URL
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https://www.mdpi.com/2073-4395/11/3/515/pdf?version=1615374370Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
- OA URL
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https://www.mdpi.com/2073-4395/11/3/515/pdf?version=1615374370Direct OA link when available
- Concepts
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Weed, Agronomy, Fertilizer, Ambrosia artemisiifolia, Yield (engineering), Mathematics, Field experiment, Weed control, Ragweed, Biology, Physics, Thermodynamics, Allergy, ImmunologyTop concepts (fields/topics) attached by OpenAlex
- Cited by
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7Total citation count in OpenAlex
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2024: 1, 2023: 3, 2022: 2, 2021: 1Per-year citation counts (last 5 years)
- References (count)
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30Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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