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Raised bed gardening. Raised-bed gardening is a form of gardening in which the soil is raised above ground level and usually enclosed in some way. Raised bed structures can be made of wood, rock, concrete or other materials, and can be of any size or shape. [1] The soil is usually enriched with compost. [2]
The square foot gardening method recommends using an open-bottom raised bed, 4 by 4 feet (1.2 m × 1.2 m) square. The square beds are then divided into a grid of sixteen one-foot squares. Each square is planted with a different crop, and based on the plant's mature size either 1, 4, 9 or 16 plants are placed per square.
After the garden has been laid out, soil preparation is the next key aspect to consider for successful planting. Weeds and debris are removed from the beds and 3–4 inches of compost or manure is dug into the soil and left for a month in order to have nutrients spread around the soil; the process can be sped up by placing black or clear ...
The practice of making raised garden beds or mounds filled with rotting wood is also called Hügelkultur in German. [58] [59] It is in effect creating a nurse log that is covered with soil. Benefits of Hügelkultur garden beds include water retention and warming of soil.
This is done by placing wood material (e.g. logs and sticks) in the bottom of the bed before piling organic soil and compost on top. A study comparing the water retention capacities of Hügel raised beds to non-Hügel beds determined that Hügel beds are both lower maintenance and more efficient in the long term by requiring less irrigation. [41]
A soil test may be done to analyze the chemistry of a potting mix, despite the mix not necessarily being made of soil. As an approximation for indoor home planting, the mix is generally treated as greenhouse growth medium. The main method is a saturated media extract (SME), which tests the chemical contents of a water extract of the mix. [13] [15]
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