Raised-bed gardening

– Overview:
– Raised beds support complex agriculture systems following permaculture principles.
– They control erosion, recycle water/nutrients, and create more space for intensive crop production.
– Can be built with tractor-drawn implements and maintained with hand tools.
– Compatible with square foot gardening and companion planting.
– Keyhole gardens have a central chimney for efficient water distribution.

– Materials and construction:
– Lumber is common, with plastic liners for edibles on treated wood.
– Railroad ties or concrete blocks are alternatives.
– Prefab solutions made of UV-stabilized polyethylene exist.
– Some beds are covered with clear plastic for protection.
– Pre-manufactured raised bed gardening boxes are available in various materials.

– Benefits:
– Extend planting season and reduce weeds.
– Improve soil quality and root growth due to no compaction.
– Enable easy gardening for elderly and disabled.
– Reduce reliance on poor native soil.
– Waist-high beds eliminate the need for bending over while gardening.

– Gallery:
– Various examples of raised garden beds worldwide.
– Different designs and plant combinations showcased.
– Gardens in different countries like Laos, Sweden, and Germany.
– Inclusive designs for physically disabled individuals.
– Use of natural stones and wooden edgings for aesthetics.

– Sunken gardens:
– Inverse of raised beds, used by Zuni people in arid climates.
– Sunken gardens refer to formal English gardens with terraces.
– Watering method involves filling bed cells.
– Seen in traditional English gardens like at Hampton Court Palace.
– Different from raised beds, offering unique gardening aesthetics.