Farm Forestry in California, 1949-1945Division of forestry, California Department of natural resources, 1946 - 38 páginas |
Palavras e frases frequentes
acres annual assistance Average bark blocks building California Christmas trees clearing Conservation continuous cooperators cords cover crop Cull Delivered demonstration developed disposal Dorado County Douglas fir El Dorado County established Eucalyptus examples Expenses F.o.b. woods Falling farm forestry projects farm woodland farm woods farmers feet Fence fire forest fuelwood grass growing hardwoods Height helping hour of labor Illustration improvement included Inter kerf labor land Loading located logs lumber markets material NATURAL needed NOTE old-growth redwood operations owner peeled period Piling Pine fuelwood plans planting poles Ponderosa pine possible posts practices Prepared processing redwood and Douglas representative reproduction Returns road rule rustic sawlogs second-growth redwood selection Service shown slash Soil sold Sonoma County Sound specifications split redwood sprouts stands Stumpage stumps TABLE Tanbark tiers timbers tops Tree Farm Unit usually Veneer bolts Volume Woodland management woodland products