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Názov = "Promotion of pollen cone production by heat treatment and naphthalene acetic acid spraying in potted black spruce"
- Promotion of pollen-cone production by heat treatment and naphthalene acetic acid spraying in potted black spruce
Ho Rong H.
Layne Marya H.
Ford Randy D.
Sault Ste. Marie : Ontario Forest Research Institute , 1996. - iii, 12 s. : 6 tab., 28 cm
xkni - KNIHY
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