This article describes how to determine vineyard nutrient needs through tissue and soil sampling.
What to grow, space needs, time needs, ideal calendar, soil preparation, planting, fertilizing, and watering.
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.