Home-built compost bins made out of wire mesh fencing provide a low-cost method of creating rich, organic compost for gardens. Compost is the result of mixing carbon- and nitrogen-based refuse and allowing it to decompose. Carbon-based refuse is comprised of dry leaves, soil, paper and other brown-colored matter. Nitrogen-based refuse is comprised of grass clippings, garden waste and fruit and vegetable waste. Construct a wire compost bin in less than 30 minutes with supplies available at hardware stores.
Cut a section of wire mesh fencing with 1/2 to 1 inch holes to a size of 10 feet by 3 feet. Create a hoop by overlapping 3 inches of each of the short ends. Secure the fencing ends together by evenly spacing four or five pieces of heavy-duty wire and twisting them through the fencing.
Set the wire hoop in the location desired for the compost pile. Place the hoop on a grass or gravel surface with one opening facing up and the other flat on the surface. Choose a sunny area that has access to water.
Place four wood or metal fencing poles evenly around the inside of the wire hoop to hold it in place and provide structural support. Pound the poles into the ground to a minimum depth of 6 inches, making sure the poles are tight against the wire hoop.
Add 2 to 3 inches of sawdust to the bottom of the wire compost bin to assist with moisture control. Fill the compost bin with layers of brown and green compost. Create even layers to increase the decomposition rate.
Moisten the organic matter with water, making sure the contents are not saturated with water. Mix the contents once a week with a pitchfork to increase the decomposition rate.