[Spruce polycross tests]

Corporate Authors: Nova Scotia Tree Improvement Working Group
Published: Debert, N.S. : Tree Breeding Centre, 1997.
Subjects:
Item Description: Includes: PT97/1 White spruce polycross --PT97/2 Red spruce polycross -- NSBP97 Norway spruce source trial -- BSBP97 Lowland/Highland black spruce block plantings.
Physical Description: 39 leaves : ill. ; 28 cm.
Language: English