Technical Bulletin, Edição 1531U.S. Department of Agriculture, 1976 |
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Technical Bulletin, Edição 1520 Wyman C. Schmidt,Raymond C. Shearer,Arthur Lawrence Roe Visualização integral - 1976 |
Palavras e frases frequentes
average basal area big game Birchleaf spiraea Blue Mountains Bluebunch wheatgrass bulk density bunchgrass calf gain canopy Carex geyeri cattle gains cattle stocking cow gain cows and calves creased deer and elk deferred rotation deferred-rotation grazing differences among levels Douglas-fir early elk sedge forage forage plants Forest and Range forested range gain per acre gain per head Grand fir grasses and grasslike grassland openings grasslike plants graz grazing capacity grazing season grazing systems grazing treat heavy stocking herbage production levels of cattle levels of stocking light grazing Light Moderate Heavy light stocking Lodgepole pine losses moderate stocking Onespike danthonia Pacific Northwest percent pinegrass ponderosa pine pounds per acre Protection from cattle rangeland rates of stocking Rush pussytoes Sandberg bluegrass season-long grazing secondary forbs showed shrubs significant differences Skovlin stocking increased stocking level study area subplot summer grazing systems of grazing tion tree understory ungrazed watershed Western larch Western yarrow