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Indlæser... Trees: Yearbook of Agriculture 1949 (1949)af United States Department of Agriculture
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Bliv medlem af LibraryThing for at finde ud af, om du vil kunne lide denne bog. Der er ingen diskussionstråde på Snak om denne bog. A thick book on nothing but trees - articles of and about trees, collected and put together by the Dept of Agriculture. The tree as a living unit, as part of a group (Trees and Homes), as a forest (Forests and Men). Chapters on problems and values. Contains photos, maps, illustrations, methods of identification, locations of growth, indexes by name, references and publications. ingen anmeldelser | tilføj en anmeldelse
Belongs to SeriesThe Yearbook of Agriculture (1949)
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Google Books — Indlæser... GenrerMelvil Decimal System (DDC)634.90973Technology Agriculture & related technologies Fruits; Orchards; Vineyards Forestry Managed Woodlands Biography; History By Place North AmericaLC-klassificeringVurderingGennemsnit:
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“Forests and Men comprise about two-thirds of the yearbook…It is subdivided into several sections…ecology; seeding and planting; genetics; management and care of private and public forests; protection from insects, diseases, parasites and fire; wildlife; water relations; wood utilization; history; economics and policy”.
…Through its [the book’s] pages there is a strong undercurrent of sound conservation of natural resources, a guide to action that we must follow if we are to give future generations a chance to attain a reasonably adequate standard of living. This book is highly recommended”.