Re: Preventing soil from compacting without causing problems.
Search for: Container Soils Water Movement Tapla
You don't need pebbles or rocks in the bottom, they don't help at all. The compaction layer just goes higher and around the rocks if you use them, the area for roots to grow is reduced and you still get root rot issues eventually. What you need is a soil mix that stays aerated for a longer period, and that search will provide you with the answers.
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