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dc.contributor.authorKoeshall, Samuel T.
dc.contributor.authorEasterly, Amanda C.
dc.contributor.authorWerle, Rodrigo
dc.contributor.authorStepanovic, Strahinja V.
dc.contributor.authorCreech, Cody F.
dc.identifier.citationKoeshall, S. T., Easterly, A. C., Werle, R., Stepanovic, S. V., & Creech, C. F. (2021). Planting date and seeding rate of field pea in the semi‐arid high plains of Nebraska. Agronomy Journal, 113(2), 1548-1562.en_US
dc.descriptionThis is the peer reviewed version of the following article: [Planting date and seeding rate of field pea in the semi‐arid high plains of Nebraska. Agronomy Journal (2020)], which has been published in final form at This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions:
dc.description.abstractResults from initial experiments in western Nebraska suggest that opportunity exists to decrease seeding rates of pea (Pisum sativum L.) to optimize yield while maintaining partial net return. Refined planting recommendations, especially planting time, are still largely unknown for western Nebraska. This experiment evaluated the effects of seeding rates and planting dates of pea on emergence, grain yield, and grain yield components. Two locations in Nebraska were evaluated in 2018 and 2019. Treatments consisted of three planting dates and five seeding rates arranged as a split-plot design. Emergence was measured in each plot until emergence stabilized. Whole plant biomass, pods plant-1, seeds plant-1, and harvest index were recorded at harvest. Planting later resulted in increased plant density and decreased time to 50 and 90% emergence. Planting date also changed the economically optimal plant population. At Sidney in 2018, optimal plant population changed from 96 plants m-2 (Early) and 115 plants m-2 (Late) to 82 plants m-2 (Middle). Partial net return was increased by $26.74 ha-1 and $65.43 ha-1 with the middle planting date over the early and late planting dates. Across three site-years, the economically optimal plant population only varied by 4 plants m-2 between the three planting dates. Later planting improves percent emergence without reducing yield. Seeding rates that have been adjusted for expected germination should target a population between 70 and 109 plants m-2 to optimize partial net return. Final plant population influences grain yield more than planting date, although both affect yield response.en_US
dc.rightscopyright wiley 2020en_US
dc.subjectplanting date seeing rate pea Nebraskaen_US
dc.titlePlanting date and seeding rate of field pea in the semi‐arid high plains of Nebraskaen_US
mus.citation.journaltitleAgronomy Journalen_US
mus.relation.collegeCollege of Agricultureen_US
mus.relation.departmentLand Resources & Environmental Sciences.en_US
mus.relation.universityMontana State University - Bozemanen_US

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