A comparison of three methods of black walnut plantation establishment
In 1970 a field trial was initiated in eastern Iowa to compare the survival and growth of black walnut (Juglans nigra L.) using three planting methods: (1) tubelings (seedlings grown in soil-filled paper tubes); (2) 1-0 nursery stock; and (3) direct. seeded nuts. Plantings were set out on two old-field sites on two dates; final measurements were made in 1972 after the third growing season in the field.
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Author(s): Robert A. McQuilkin
Publication: Tree Planters' Notes - Volume 26, Number 1 (1975)
Volume: 26
Number: 1