Comparison of two seedlings, one with fine root system (ht.19.5cm., diam.4.7cm) and coarse roots (ht.18.5cm., diam5.3cm). Black spruce, 3+0, seedling roots.
Paperpot seedlings sown April '71, transplanted Aug '71, photo June '72 for comparison n.b. seedling with pot still on roots. Black spruce, 1+1, transplant stock.