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This publication is an example of costs and returns that could be expected from growing one acre of white pine Christmas trees in Virginia. This survey included a wide variety of growers, from small, part-time operations to large commercial enterpris
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2485::fda050ecaf96259a0e16f4e3dd3cee3c
http://pubs.ext.vt.edu/420/420-081/420-081_pdf.pdf
http://pubs.ext.vt.edu/420/420-081/420-081_pdf.pdf
