Browns are compost ingredients that contain a high 
percentage of carbon and are usually dry and brownish 
(hence the name) in color. Greens are ingredients high in 
nitrogen. They are generally green, moist plant matter or 
an animal by-product, such as manure. Since compost 
microbes use carbon as an energy source and nitrogen in the 
proteins that build their tiny bodies, it's important to 
include both brown and green components in the mix

no