Jacob H. Shreckhise
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View article: Hot Pots: Container Color Has a Greater Cooling Effect than Micro-Sprinkler Frequency in Nursery Production
Hot Pots: Container Color Has a Greater Cooling Effect than Micro-Sprinkler Frequency in Nursery Production Open
Container production systems are critical for the horticulture industry but are particularly vulnerable to temperature extremes. This study investigated the effects of pot color (black vs. white) and irrigation frequency (single vs. cyclic…
View article: Parsimonious models of root zone temperature in soilless substrates through ensemble machine learning
Parsimonious models of root zone temperature in soilless substrates through ensemble machine learning Open
View article: Seeing the Forest for the Trees: Threats, Vulnerabilities, and Opportunities for Woody Landscape Plant Genetic Resources
Seeing the Forest for the Trees: Threats, Vulnerabilities, and Opportunities for Woody Landscape Plant Genetic Resources Open
Genetic resources are the foundation of American agriculture’s ongoing success—the diversity, security, health, and genetic integrity of these resources must be safeguarded. However, in contrast to other crops, protecting, managing, and us…
View article: How Natural Resources, Consumer Perceptions, and Labor Are Transforming the US Nursery Industry
How Natural Resources, Consumer Perceptions, and Labor Are Transforming the US Nursery Industry Open
The nursery industry produces and sells plants for landscape and environmental purposes and represents a major sector within the US agricultural industry. In recent years, the nursery industry has undergone rapid growth as a result of vari…
View article: A Base Layer of Ferrous Sulfate-Amended Pine Bark Reduces Phosphorus Leaching from Nursery Containers
A Base Layer of Ferrous Sulfate-Amended Pine Bark Reduces Phosphorus Leaching from Nursery Containers Open
Phosphorus (P) fertilizers applied to container-grown nursery crops readily leach through pine bark-based substrates and can subsequently runoff and contribute to surface water contamination. The objectives of this research were to determi…
View article: Evaluation of Camellia Cultivars and Selections for Growth, Cold-hardiness, Flowering, and Disease Resistance in Tennessee, USA
Evaluation of Camellia Cultivars and Selections for Growth, Cold-hardiness, Flowering, and Disease Resistance in Tennessee, USA Open
Susceptibility to low-temperature injury and diseases is a major concern associated with ornamental camellia production. To comprehensively understand their growth, cold-hardiness, flowering, and disease resistance, 24 camellia ( Camellia …
View article: Tree Architecture and Powdery Mildew Resistance of Yellow-flowering Magnolias in Tennessee, USA
Tree Architecture and Powdery Mildew Resistance of Yellow-flowering Magnolias in Tennessee, USA Open
Magnolias ( Magnolia sp.) are economically important woody ornamental plants; however, plant damage associated with frost and powdery mildew ( Microsphaera alni and Phyllactinia corylea ) disease is a major production challenge. To underst…
View article: Cercospora Leaf Spot Resistance of Crapemyrtle Cultivars in Tennessee
Cercospora Leaf Spot Resistance of Crapemyrtle Cultivars in Tennessee Open
Crapemyrtle ( Lagerstroemia sp.) is a top-selling deciduous flowering tree in the United States, and its salability is often compromised by cercospora ( Cercospora lythracearum Heald & F. A. Wolf) leaf spot. To compare cercospora leaf spot…
View article: Growth and Quality Response of Four Container-grown Nursery Crop Species to Low-phosphorus Controlled-release Fertilizer
Growth and Quality Response of Four Container-grown Nursery Crop Species to Low-phosphorus Controlled-release Fertilizer Open
The amount of phosphorus (P) conventionally recommended and applied to container nursery crops commonly exceeds plant requirements, resulting in unused P leaching from containers and potentially contributing to surface water impairment. An…
View article: Storage Procedures Affect pH, Electrical Conductivity, and Nutrient Concentrations of Pour-through Leachate from Pine Bark and Peat-based Substrates
Storage Procedures Affect pH, Electrical Conductivity, and Nutrient Concentrations of Pour-through Leachate from Pine Bark and Peat-based Substrates Open
The pour-through (PT) method is used in greenhouse and nursery production to monitor nutrient availability in soilless substrates. Efficacy of this method is based on the assumption that chemical properties of extracted solutions remain st…
View article: Dolomite and Micronutrient Fertilizer Affect Phosphorus Fate When Growing Crape Myrtle in Pine Bark
Dolomite and Micronutrient Fertilizer Affect Phosphorus Fate When Growing Crape Myrtle in Pine Bark Open
Soilless substrates are routinely amended with dolomite and sulfate-based micronutrients to improve fertility, but the effect of these amendments on phosphorous (P) in substrate pore-water during containerized crop production is poorly und…
View article: Dolomite and Micronutrient Fertilizer Affect Phosphorus Fate in Pine Bark Substrate used for Containerized Nursery Crop Production
Dolomite and Micronutrient Fertilizer Affect Phosphorus Fate in Pine Bark Substrate used for Containerized Nursery Crop Production Open
Core Ideas Addition of dolomite or micronutrients reduced leachate‐P from bark‐based substrates. Orthophosphate‐P from controlled‐release fertilizer contributed 74 to 86% of TDP. Dolomite reduced fertilizer orthophosphate‐P in leachate by …
View article: Growth response of Hydrangea macrophylla and Ilex crenata cultivars to low-phosphorus controlled-release fertilizers
Growth response of Hydrangea macrophylla and Ilex crenata cultivars to low-phosphorus controlled-release fertilizers Open
View article: Phosphorus Requirement and Chemical Fate in Containerized Nursery Crop Production
Phosphorus Requirement and Chemical Fate in Containerized Nursery Crop Production Open
Environmental contamination issues related to phosphorus (P) in surface waters substantiates the need to identify minimally-sufficient P fertilization amounts for production of containerized nursery crops and better understand the effect o…
View article: Growth Response of Three Containerized Woody Plant Taxa to Varying Low Phosphorus Fertilizer Concentrations
Growth Response of Three Containerized Woody Plant Taxa to Varying Low Phosphorus Fertilizer Concentrations Open
Phosphorus (P) uptake efficiency (PUE; percent of applied P absorbed by roots) for containerized crops is ≈27% to 62%. Reducing P fertilization may increase PUE without decreasing growth and may reduce P leaching from containers, thus miti…