Mulch is usually a layer of substance spread evenly over the soil. Applying mulch regularly to the garden is the best way to conserve water, as mulch protects the soil by reducing the rate of evaporation.
Other benefits of mulch include:
Tips: The depth of the mulch layer should usually be around 3 inches.
It is high in Nitrogen and should be dried and combined with manure or leaf litter before laying on the garden.
Adds humus to the soil and improves soil structure
Natural looking and long lasting wood chips do not offer as great a nutrient base as other mulch types.
Quickly breaks down into humus (a mineral rich matter), great for rejuvenating tired soils.
A good mulch, if sourced from a quality nursery/supplier. Important to check that ph level is suitable for your garden type. A ph of between 6-7 would suit most gardens.