Published January 1889. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
This study evaluated the effects of tillage system, rotational tillage sequences, and winter seed burial depth on weed seedling recruitment in irrigated cropping systems. Notill (NT) planting of vegetable crops reduced emergence of hairy nightshade by 77 to 99% and Powell amaranth emergence from 50 to 87% compared to conventional...
Published February 1896. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Exceptional data are available for the study of the salmon runs of the Columbia River in 1938. Detailed figures on catch were supplied by Oregon and Washington in such form that they could readily be combined with the counts at Bonneville Dam to provide a basis for estimating the escapement....
Published December 1916. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Oregon State University operates a World Wide Standard Seismograph
Station at Corvallis (COR) and a seismic station at Klamath Falls (KFO),
Oregon. Data recorded at the Portland (PTD), Oregon, seismic station,
operated by the Oregon Museum of Science and Industry, are included in
this Seismological Bulletin.
The Corvallis station includes...
Oregon State University operates a World-Wide Standard Seismograph
Station at Corvallis (COR) and a seismic station at Klamath Falls (KFO),
Oregon.
The Corvallis station includes three short-period Benioff seismographs
(T0 = 1 sec, T = 0.75 sec), three long-period Sprengnether
seismographs (T0 = 30gsec, Tg = 100 sec), and a...