Mulching mowers use special mulching blades which are available for rotary mowers. Mulching and bagging mowers are not well suited to long grass or thick weeds. In organic gardening, their solution is called sheet composting or mulching. These gardens typically need fertilizer and heavy mulching. In contrast, mulching the vegetation leaves the soil structure intact. Mulching and careful watering are important, especially before the plant is established. RCW is a forest product used in agriculture for mulching and soil enrichment. Mulching the garden with leaves and clippings (BMCC, n.d). In colder climates mulching or lifting and overwintering is required. Sheet mulching mimics the leaf cover that is found on forest floors. Destruction of mats includes chipping/mulching, chipping and burying in approved locations, or chipping and incinerating. The tree is nitrogen fixing and the leaves are used for mulching. More elaborate sheet mulching involves more layers. The labour time can be decreased by using techniques such as mulching.