As that material decomposes over time, the nutrients in it become incorporated.

Applying mulch around our trees helps to replace this lack of a natural duff layer.

Congrats on a great garden - keep up your efforts.

The mulch breaks down much like the vegetative material in a natural setting which helps to improve the organic content of the soil which improves the structure and nutrient availability in the soil for our urban bushlopping.barted Reading Time: 4 mins. May 30, If applied correctly each year, mulch provides significant assistance to the plants it surrounds: Reduces surface water evaporation from the soil Prevents soil erosion during extreme weather conditions Improves water penetration and air movement.

Apr 23, Mulch piled high against the trunks of young trees may create habitats for rodents that chew the bark and can girdle the trees. Thick blankets of fine mulch can become matted and may reduce the penetration of water and air. Anaerobic “sour” mulch may give off pungent odors, and the alcohols and organic acids that build up may be toxic to young plants. When in doubt, look to Mother Images. They don’t breakdown but do perform a beneficial role as a decorative mulch that prevents weeds and retains moisture.

Whereas grass clippings, leaves or bark chips are natural materials that will decompose and help feed the soil over time. Jun 07, People mulch their trees with organic materials like wood chips or compost, or with inorganic materials like gravel, plastic sheets or landscape fabric.

There are two main benefits: Mulch prevents weeds from sprouting up in the bare soil.

Mulch helps retain moisture in the soil to help keep trees bushlopping.bar: Susan Poizner.