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Filtering by: Subject Potatoes -- Irrigation -- Environmental aspects -- Columbia River Watershed

Effects of potato cropping practices on nitrate leaching in the Columbia basin

Creator:

McMorran, Jeffrey P.

Resource Type:

Dissertation

Full Text:

on terraces and terrace scarps of the Columbia River. They contain little organic matter (0.7-1
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:

is the limiting factor for haze formation in the Columbia River Gorge between Oregon and Washington