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Investigations of air content in root medium and root quality in the overwintering of container plants at different drainages in open frame


, : Investigations of air content in root medium and root quality in the overwintering of container plants at different drainages in open frame. Acta Horticulturae (79): 153-159

Two- to 3-year-old container grown plants of Juniperus virginiana Sky Rocket, potted in a 4:1 mixture of peat and rockwool were placed on plastic Vatex matting or sand in an open frame. The 3 materials had surface tensions of 0, 0.5 and 2.5 cm, respectively. Climatic data were recorded from October to April and related to the air content, O2 content and root activity in the containers.

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