Technical Bulletin, Volumes 300-315The Station, 1975 - Agricultural experiment stations |
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Agricultural aspen balsam fir Beaked hazel beetles beginning reserve stocks bounded price rule butterflies coefficients cones Control proof proof Correlations R values deer browsing deerproof defoliation density depth effect egg bands Entomol epidemics estimates exclosure exports factors Figure geographic variation grain green ash hareproof highway honeysuckle increased input-output model insect jack pine Lake mean measured Minnesota needle Number of stems occurred outbreak paper birch pattern of geographic percent period pest pin cherry Pinus plants plot Plow population porosity precipitation price elasticity price stabilization probability production proof Control proof proof proof Control range red pine Region Six East salt damage sampling areas sawfly sector serotiny shows snowshoe hares species spray stations Superior National Forest surface target price thermal tillage tillage treatments tilled layer tion tolerance total height growth traits variation in jack vegetation water content wheat white pine white spruce