Yearbook of AgricultureU.S. Government Printing Office, 1926 - Agriculture |
Contents
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Common terms and phrases
Agriculture American elm Ant Creek areas average bark beetles board feet burning camp conifers cooperative cost crop damage diameter disease Douglas-fir Dutch elm disease equipment estry farm favorable Federal fire fish forest land forest management forest products Forest Service forestry fuel fungus grazing ground growing growth hardwoods harvesting hybrids important inches industry insects Lake less logging longleaf pine lumber maple ment methods million acres million board mills moisture mountain national forests naval stores needed nursery operations owners parks percent planting ponderosa pine practices protection pulp pulpwood range ranger region require roads roots sawmill season seed seedlings shade trees skidding slash pine soil South southern species spray spruce stands streams supply timber tion tive United usually watershed western western redcedar western white pine white pine wildlife wood woodland