Garden mulch
Mulch is a layer of material that covers the soil surface to conserve moisture, suppress weeds, improve fertility and enhance the appearance of the garden1. There are two categories of mulch: organic and inorganic1. Organic mulch is made of natural materials that decompose over time, such as bark, pine needles, grass clippings, newspaper and shredded leaves1. Inorganic mulch is made of synthetic or non-biodegradable materials, such as stone, gravel, plastic and rubber1.
Different types of mulch have different benefits and drawbacks. For example, bark mulch is good for trees and shrubs, but not for vegetable beds where you need to dig often1. Sugarcane mulch is light and adds organic matter to the soil, but it may not block weeds completely2. Stone mulch is attractive and durable, but it does not improve soil fertility or water retention3.