Is early always better? Assessing soybean planting date in Minnesota

Planting date significantly impacts soybean (Glycine max L.) production in the Upper Midwest. Farmers often plant as early as possible, assuming higher risks and costs, to maximize yield potential. However, in drought-prone, low-productivity areas, the benefits of early planting, which are attribute...

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Main Authors: Potter, Bruce, Cerrudo, Aníbal Alejandro, Naeve, Seth
Format: info:ar-repo/semantics/artículo
Language:Inglés
Published: Wiley 2025
Subjects:
Online Access:http://hdl.handle.net/20.500.12123/22589
https://acsess.onlinelibrary.wiley.com/doi/full/10.1002/agj2.70076
https://doi.org/10.1002/agj2.70076
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author Potter, Bruce
Cerrudo, Aníbal Alejandro
Naeve, Seth
author_browse Cerrudo, Aníbal Alejandro
Naeve, Seth
Potter, Bruce
author_facet Potter, Bruce
Cerrudo, Aníbal Alejandro
Naeve, Seth
author_sort Potter, Bruce
collection INTA Digital
description Planting date significantly impacts soybean (Glycine max L.) production in the Upper Midwest. Farmers often plant as early as possible, assuming higher risks and costs, to maximize yield potential. However, in drought-prone, low-productivity areas, the benefits of early planting, which are attributed to radiation utilization, could be offset by water stress. This study evaluated the effects of planting date and cultivar maturity on yield across environments with varying attainable productivity levels. Field experiments were conducted over 25 consecutive seasons (1999–2023) in Lamberton, Southwest MN, encompassing a broad range of productivity. An attainable productivity index that was strongly linked to precipitation availability was used to classify environments. In high-attainable productivity environments, early planting with full-season cultivars resulted in significant yield advantages, with delays reducing yield by up to 0.3% per day. Conversely, in low-productivity environments, planting delays until late May did not reduce yield and, in extreme cases, yielded positive responses. Across all the environments, planting beyond the end of May consistently led to steep yield declines above 1% per day, regardless of resource availability or maturity. These findings highlighted that early planting with full-season cultivars was optimal for high-productivity environments but provided no clear yield advantage in drought-prone, low-productivity environments, where the risks and costs may not be justified. The results could offer guidance for tailoring planting date within heterogeneous fields.
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institution Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina)
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spelling INTA225892025-06-09T16:10:36Z Is early always better? Assessing soybean planting date in Minnesota Potter, Bruce Cerrudo, Aníbal Alejandro Naeve, Seth Soja Glycine max Fecha de Siembra Madurez Estrés de Sequía Rendimiento de Cultivos Soybeans Sowing Date Maturity Drought Stress Crop Yield Planting date significantly impacts soybean (Glycine max L.) production in the Upper Midwest. Farmers often plant as early as possible, assuming higher risks and costs, to maximize yield potential. However, in drought-prone, low-productivity areas, the benefits of early planting, which are attributed to radiation utilization, could be offset by water stress. This study evaluated the effects of planting date and cultivar maturity on yield across environments with varying attainable productivity levels. Field experiments were conducted over 25 consecutive seasons (1999–2023) in Lamberton, Southwest MN, encompassing a broad range of productivity. An attainable productivity index that was strongly linked to precipitation availability was used to classify environments. In high-attainable productivity environments, early planting with full-season cultivars resulted in significant yield advantages, with delays reducing yield by up to 0.3% per day. Conversely, in low-productivity environments, planting delays until late May did not reduce yield and, in extreme cases, yielded positive responses. Across all the environments, planting beyond the end of May consistently led to steep yield declines above 1% per day, regardless of resource availability or maturity. These findings highlighted that early planting with full-season cultivars was optimal for high-productivity environments but provided no clear yield advantage in drought-prone, low-productivity environments, where the risks and costs may not be justified. The results could offer guidance for tailoring planting date within heterogeneous fields. EEA Balcarce Fil: Potter, Bruce. University of Minnesota; Estados Unidos Fil: Cerrudo, Aníbal Alejandro. University of Minnesota; Estados Unidos Fil: Cerrudo, Aníbal Alejandro. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina Fil: Cerrudo, Aníbal Alejandro. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina Fil: Naeve, Seth L. University of Minnesota; Estados Unidos 2025-06-09T16:01:32Z 2025-06-09T16:01:32Z 2025-05 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/22589 https://acsess.onlinelibrary.wiley.com/doi/full/10.1002/agj2.70076 0002-1962 (Print) 1435-0645 (Online) https://doi.org/10.1002/agj2.70076 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Wiley Agronomy Journal 117 (3) : e70076 (May-June 2025)
spellingShingle Soja
Glycine max
Fecha de Siembra
Madurez
Estrés de Sequía
Rendimiento de Cultivos
Soybeans
Sowing Date
Maturity
Drought Stress
Crop Yield
Potter, Bruce
Cerrudo, Aníbal Alejandro
Naeve, Seth
Is early always better? Assessing soybean planting date in Minnesota
title Is early always better? Assessing soybean planting date in Minnesota
title_full Is early always better? Assessing soybean planting date in Minnesota
title_fullStr Is early always better? Assessing soybean planting date in Minnesota
title_full_unstemmed Is early always better? Assessing soybean planting date in Minnesota
title_short Is early always better? Assessing soybean planting date in Minnesota
title_sort is early always better assessing soybean planting date in minnesota
topic Soja
Glycine max
Fecha de Siembra
Madurez
Estrés de Sequía
Rendimiento de Cultivos
Soybeans
Sowing Date
Maturity
Drought Stress
Crop Yield
url http://hdl.handle.net/20.500.12123/22589
https://acsess.onlinelibrary.wiley.com/doi/full/10.1002/agj2.70076
https://doi.org/10.1002/agj2.70076
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