A study to improve the ability to predict nitrogen availability from organic soil amendments, including improved accuracy of Nitrogen availability estimates, to target amendment application rates to meet crop N needs.
This article describes how to determine vineyard nutrient needs through tissue and soil sampling.
A collection of articles for growing vegetables in Central Oregon. Include general information, recommendations, soil temperatures, rhubarb, potatoes, cucumbers, beets, carrots, radishes, onions, tomatoes and tomatillos.
Information on vineyard water management, focusing on when to initiate irrigation.
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.