Sangam: A Confluence of Knowledge Streams

A New Approach for Modeling Volume Response from Mid-Rotation Fertilization of Pinus taeda L. Plantations

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dc.contributor Forest Resources and Environmental Conservation
dc.creator Scolforo, Henrique F.
dc.creator Montes, Cristian R.
dc.creator Cook, Rachel L.
dc.creator Lee Allen, Howard
dc.creator Albaugh, Timothy J.
dc.creator Rubilar, Rafael A.
dc.creator Campoe, Otavio C.
dc.date 2020-06-30T16:34:25Z
dc.date 2020-06-30T16:34:25Z
dc.date 2020-06-06
dc.date 2020-06-30T16:26:25Z
dc.date.accessioned 2023-03-01T18:52:24Z
dc.date.available 2023-03-01T18:52:24Z
dc.identifier Scolforo, H.F.; Montes, C.; Cook, R.L.; Lee Allen, H.; Albaugh, T.J.; Rubilar, R.; Campoe, O. A New Approach for Modeling Volume Response from Mid-Rotation Fertilization of Pinus taeda L. Plantations. Forests 2020, 11, 646.
dc.identifier http://hdl.handle.net/10919/99183
dc.identifier https://doi.org/10.3390/f11060646
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/281615
dc.description Mid-rotation fertilization presents an opportunity to increase the economic return of plantation forests in the southeastern United States (SEUS). For this reason, the Forest Productivity Cooperative established a series of mid-rotation fertilization trials in <i>Pinus taeda</i> L. plantations across the SEUS between 1984 and 1987. These trials identified site-specific responses to nitrogen (N) and phosphorus (P) fertilizers, resulting in increased stand production for 6&ndash;10 years after fertilization. There are successful volume response models that allow users to quantify the gain in stand productivity resulting from fertilization. However, all the current models depend on empirical relationships that are not bounded by biological response, meaning that greater fertilizer additions continue to create more volume gains, regardless of physiological limits. To address this shortcoming, we developed a bounded response model that evaluates relative volume response gain to fertilizer addition. Site index and relative spacing are included as model parameters to help provide realistic estimates. The model is useful for evaluating productivity gain in <i>Pinus taeda</i> stands that are fertilized with N and P in mid-rotation.
dc.description Published version
dc.format application/pdf
dc.format application/pdf
dc.language en
dc.publisher MDPI
dc.rights Creative Commons Attribution 4.0 International
dc.rights http://creativecommons.org/licenses/by/4.0/
dc.subject biological soundness
dc.subject maximum likelihood
dc.subject bounded estimates
dc.subject modeling fertilization
dc.title A New Approach for Modeling Volume Response from Mid-Rotation Fertilization of Pinus taeda L. Plantations
dc.title Forests
dc.type Article - Refereed
dc.type Text
dc.type StillImage


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