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Growing Tree Fruits Successfully

Soil, site, irrigation, selection, pruning/thinning, and integrated pest management.

Ross Penhallegon | Jul 2013 | Presentation

The Columbia Root-Knot Nematode Problem

The Columbia root-knot nematode attacks potatoes and causes injury to tubers in the Columbia Basin of Oregon and Washington as well as other areas of the Pacific Northwest.

Jim Green | Apr 1981 | Article