This article describes how to determine vineyard nutrient needs through tissue and soil sampling.
Information on vineyard water management, focusing on when to initiate irrigation.
Browning or dieback is usually caused by weather-related stress, sometimes in combination with pests and diseases.
This is a guide that can be used by wine grape growers to interpret their vine tissue nutrient analysis results to determine nutrient sufficiency, deficiency or excess.
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.
All grapes require heavy pruning to produce fruit, but after the first three growing seasons, different types of grapes need different pruning. Wine grapes and muscadines usually need spur pruning, and American grapes, such as Concord and Thompson Seedless require cane pruning.