To see how they are best deployed in each region of the world, use the menu at left. Boosting energy efficiency: The energy used to power, heat, and cool our homes, businesses, and industries is the single largest contributor to global warming.
So to create leaf mulch, here are at least seven methods you can use to further decomposition: The first three methods require less work, but the decomposition takes longer (six to 12 months). 1. You can make leaf mulch by piling all the leaves in a corner of your yard and letting the worms gradually drag them under.
1 Evaluate how deep you want the mulch. 2  The amount of mulch you buy depends on how deep you want the mulch to be. 3  Most gardening experts recommend 2 to 3 inches (5.1 to 7.6 cm) over general soil, with 1 to 2 inches (2.5 to 5.1 cm) around vegetables, flowers and shrubs.etermine the amount of mulch to purchase. 1  Calculate the amount of mulch you need in cubic yards. 2  Bulk mulch is sold by the cubic yard, which is the measurement widely used in the gardening industry for mulch. 3  One cubic yard (27 cubic feet) will provide 1 inch of coverage over 324 square feet.