LeRoy C. Johnson
2 publications by LeRoy C. Johnson:
- Red Pine--Potential for Genetic Improvement and Observations on Cone and Seed Production
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Publication: Tree Improvement and Genetics - Northeastern Forest Tree Improvement Conference - 1985
More Details - Plans for Hectoliter Boxes To Measure Pine Cones
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Publication: Tree Planters' Notes - Volume 32, Number 4 (1981)
More Details