Palouse Ecological Province
The Palouse
and Nez Perce Prairies Major Land Resource Areas
(Map
provided by the Soil Science Society of America Journal http://soil.scijournals.org/cgi/content/full/64/6/2125/FIG1)
The gently sloping to rolling cultivated
area lying northeast of the Pendleton
Branch Agricultural Experiment Station in Umatilla County.
It is the only area in eastern Oregon suitable for long-term dryland
farming under an annual cropping rotation with no need to summer
fallows for additional soil moisture. Elevations in Oregon
are mainly between 1,350 and 6,000 feet.

The Zumwalt
Prairie
Copyright
image courtesy of Jason Dingeldein
Information
from: Anderson, E.W., Borman, M.M., and Krueger, W.C. 1998. The
ecological provinces of Oregon: A treatise on the basic ecological
geography of the state. Oregon Agricultural Experiment Station.
SR 990. Corvallis, Oregon, USA. |