Puzzling outbreak
Adult beetles have dark reddish brown or black heads, and the body is covered with short gray hairs. A mysterious
Volatile prices
Fertilizer costs have come down from last year's heart-stopping prices, but don't expect prices to stay down. Price volatility should
A more sustainable strategy
There are several ways in which orchardists can develop a more sustainable approach to nitrogen fertility. Fortunately, tree fruit production
Good Point – David Granatstein
Nitrogen is a plentiful element in the biosphere, accounting for 78 percent of the air around us. It is essential
Managing nitrogen
Nitrogen management is important in all wine grapes, but even more so in white varieties because of its association with
Good Point – Ed Wittenbach
In my lifetime, change has been inevitable: from five-acre orchards to 500-acre orchards or larger; from small, family-owned stores to
Nematodes in Washington
The following is a brief description of nematode species found in Washington vineyards. In general, nematodes weaken the root system,
Work in progress
When dealing with nematodes, Washington State vineyardists need two things they currently lack: more effective control strategies and meaningful economic
Soil or tissue test?
What is the best way for Washington State grape growers to analyze nitrogen levels in their vineyard? Washington State University
Stop puncturevine
Seedling puncturevine leaves pictured at top have hairs on each leaflet. Spiny fruit, below, have the punctures that break