Effects of nitrogen and shearing treatments on growth and quality of Douglas-fir Christmas trees in western Washington

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Published 1979 by College of Agriculture Research Center, Washington State University in Pullman .
Written in English

Subjects:

• Christmas tree growing -- Washington (State),
• Douglas fir -- Pruning,
• Douglas fir -- Fertilizers

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Edition Notes

Statement	Darrell Turner.
Series	Bulletin / College of Agriculture Research Center, Washington State University -- 875, Bulletin (Washington State University. College of Agriculture. Research Center) -- 875.
Contributions	Washington State University. College of Agriculture. Research Center.
The Physical Object
Pagination	[10] p. :
Number of Pages	10
ID Numbers
Open Library	OL13636274M
OCLC/WorldCa	19365707

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