In 1967 an investigation seeking to understand the disturbance
effects produced by broadcast slash burning was conducted on Douglas
fir clear-cuts in the Harlan area of the Siuslaw National Forest. Specifically,
this study was concerned with the effects disturbance has
on the growth (spatial) patterns and the replacement (time) patterns...
Over 1,000 9th and 10th grade male high school youth in the
Country of Belize, Central America, were administered the AAHPER
Youth Fitness test during the 1972-73 academic school year. Results
were analyzed and compared to similar data in the United States. Of
41 comparisons utilizing the Student t for...
This study was divided into two parts. Part I was a quantitative description of some aspects of plant-water relations in Douglas-fir seedlings, and part II was tests of several techniques of screening selected families of Douglas-fir seedlings for drought resistance. Part I. During 20 mild summer days in 1976 at...
ENTOMOLOGISTS, BOTANISTS, and AGRICULTURISTS all
have occasion to concern themselves with bees. The en-tomologist is fascinated by their complex behavior pat-terns, the botanist needs to evaluate their significance infloral biology, and the agriculturist must take them into account as vital factors in crop production. Finally, the apiculturist often wishes to...
Puccinia graminis causes stem rust, a serious disease of cereals and forage grasses. Important formae speciales of P. graminis
and their typical hosts are P. graminis f. sp. tritici (Pg-tr) in wheat and barley, P. graminis f. sp. lolii (Pg-lo) in perennial ryegrass
and tall fescue, and P. graminis f....
Many cranberry growers on the Oregon coast are well aware that good pollination is necessary for quality fruit set. Multiple
visits to the flower deliver more pollen, which can increase the percentage fruit set, number of seeds per berry, and mature
berry weight. The better a bee is at delivering...
Coastlines have traditionally been engineered to maintain structural stability and to protect property from storm-related damage, but their ability to endure will be challenged over the next century. The use of vegetation to reduce erosion on ocean-facing mainland and barrier island shorelines – including the sand dunes and beaches on...
Published December 1934. 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
