Abstract

Abstract Northern red oak (Quercus rubra L.) seedlings were grown in six container configurations differing in diameter, length, and volume. More shoot and lateral root dry weight was produced in a cylindrical polyvinylchloride (PVC) container 15.4 × 36 cm containing 6333 cm3 of potting medium than in containers with less medium volume. Seedling growth did not increase in a 15.4 × 110 cm container even though the potting medium volume was increased. Of all container variables measured, the ratio of potting medium surface area to potting medium depth (SA:D) showed the best correlation to seedling dry weight accumulation. Water or nutrient deficiencies could not be eliminated as factors contributing to differences in seedling growth.

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