Art and Culture · Vertical Gardening
When planning a low-maintenance vertical garden along a boundary wall in a residential complex, the choice of growing media must consider weight, water-holding capacity and aeration. Which of the following combinations of media components and their general characteristics best represents a commonly recommended mix used in vertical garden pockets to avoid waterlogging yet support frequent fertigation cycles?
- 1Pure field clay soil with high bulk density and negligible porosity
- 2A mix dominated by coarse sand and gravel with very low water-holding capacity
- 3A soilless mix consisting mainly of coco-peat, perlite and compost, offering light weight, high porosity and moderate to high water-holding capacity✓
- 4Heavy black cotton soil with added silt to further reduce drainage and increase compaction
Correct answer
A soilless mix consisting mainly of coco-peat, perlite and compost, offering light weight, high porosity and moderate to high water-holding capacity
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