Soils & Nutrients
Featured stories about soils & nutrients in this issue.
1 Dagger nematodes are vectors of which virus?
a. Prune dwarf
b. Tomato ring spot
c. Professor Plum pox
d. Prunus necrotic ring spot
Dennis Smith, horticulturist with G.S. Long Company, Inc., in Yakima, Washington, has been doing soil and leaf sampling for fruit growers for over 20 [...]
Michelle Moyer demonstrates how WSU’s vineyard site evaluation computer model works.
PHOTO BY MELISSA HANSEN
Dr. Michelle Moyer, Washington State University’s statewide viticulture extension specialist, [...]
As yield expectations have soared in recent years, so has the importance of nutrient management.
Apple growers who were once happy harvesting 60 bins per [...]
Two of the largest wholesale operations on the International Fruit Tree Association tour in New York were Crist Brothers Orchards at Walden and Porpiglia [...]
DON’T LET WEEDS
It’s particularly important to keep up with weed control in a young orchard because the weeds compete with the [...]
Soil has been called the “living skin” of planet Earth, an essential but fragile part of the biosphere. As such, it responds negatively to [...]
Engineer Graham Brodie developed the microwave weed-killing machine. Four microwave horn antennae at the back end, each about four inches wide, transmit and direct [...]
Rodents—particularly voles, ground squirrels, and gophers—can have a big economic impact on orchard and vineyard production costs.
Rodents cause obvious damage to orchards and [...]
Bud Hover’s road to directorship of the Washington State Department of Agriculture began in 1938 when his mother and her family loaded their belongings [...]
Wildlife biologist Tim Pitz holds an adult golden eagle that was captured as part of a telemetry study. The study outfitted raptors with backpack [...]
If you’ve thinned and thinned and there are still too many apples on the trees, there is one more growth regulator treatment you can [...]
LEFT: Above left: Adult A. mali are affected by most of the tested reduced-risk pesticides. RIGHT: The parasitic wasp Aphelinus mali attacks woolly apple [...]
For 21 years now, Dr. Ian Merwin has tended a 320-tree apple orchard on the eastern shore of Cayuga Lake near Cornell University’s Ithaca [...]
This excavated root system is from a 40-year-old Concord own-rooted vine.
PHOTOS COURTESY OF ALAN LAKSO
Grapes, with their flowing vines and lack of inherent [...]
Washington State University’s Research Foundation, which owns the new WA 38 apple, has issued an “announcement of opportunity” inviting individuals, companies, or cooperatives that [...]
Cornell University has released two new wine grape varieties—a cold-hardy aromatic white variety and a red variety that is highly resistant to fungal diseases.
A barn owl nesting box at Omeg Orchards. Notice the metal underneath the box that’s used to prevent raccoons from climbing the pole to [...]
RIGHT: Workers pack apples in the modern facility built two years ago at Crist Bros. in Walden, New York. The packing plant serves only [...]