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Filtering by: Creator Holcomb, Jess Decade 2010-2019

Enhanced efficiency nitrogen fertilizers for nitrogen management in the Columbia Basin, Oregon

Creator:

Holcomb, Jess Charles

Abstract:

Ammonia (NH₃) volatilization can result in a substantial amount of surface applied nitrogen (N) being lost into the atmosphere, making it an environmental pollutant as well as reducing plant-available N. However, N can also be easily lost from the soil through leaching, and nitrous oxide (NO₂). Enhanced efficiency N fertilizers...

Resource Type:

Masters Thesis

Full Text:

Jess Charles Holcomb III for the degree of Master of Science in Soil Science presented on January 20
Research reports : 78th Annual Pacific Northwest Insect Management Conference

Creator:

Pacific Northwest Insect Management Conference

Abstract:

Proceedings of the 78th Annual Pacific Northwest Insect Management Conference, held January 7-8, 2019 at the Hilton Hotel in Portland, Oregon. These are research reports only, not management recommendations.

Resource Type:

Conference Proceeding
Exploring mechanisms that drive the development of reversible soil hydrophobicity

Creator:

Woolverton, Priscilla B.

Abstract:

This study focuses on one widespread characteristic of poor soil quality: hydrophobic soil. Previous research has produced conclusive evidence to show that soil hydrophobicity is affected by soil organic matter (SOM) and soil water content (WC). Hydrophobicity that responds to changes in WC is a unique form of surface hydrophobicity...

Resource Type:

Masters Thesis

Full Text:

. CONTRIBUTION OF AUTHORS Jess Holcomb assisted with soil sampling and chemical extraction data collection