manure
organic matter, mostly derived from animal feces, used as agricultural fertilizer
liquid manure
animal waste thinned with water and used as fertilizer
Poultry litter
mixture of chicken's excretions, feed, feathers and bedding
phosphate rich organic manure
type of fertilizer
guano
excrement of seabirds, cave-dwelling bats, pinnipeds, or (in English usage) birds more generally
green manure
crop specifically produced to be incorporated into the soil while still green