WordNet
n. a fertilizer that is derived from animal or vegetable matter [syn: organic, organic fertiliser]
Wikipedia
Organic fertilizers are fertilizers derived from animal matter, human excreta or vegetable matter. (e.g. compost, manure). Naturally occurring organic fertilizers include animal wastes from meat processing, peat, manure, slurry, and guano.
In contrast, the majority of fertilizers used in commercial farming are extracted from minerals (e.g., phosphate rock) or produced industrially (e.g., ammonia).
Usage examples of "organic fertilizer".
We tried growing the garden with no sprays, just organic fertilizer, and it wasn't humans that ate most of that crop, it was bugs!
And we export considerable waste, carefully treated into inoffensiveness, as important organic fertilizer-every bit as important to other worlds as the food is to us.
And we export considerable waste, carefully treated into inoffensiveness, as important organic fertilizer, every bit as important to other worlds as the food is to us.
You could say whatever you wanted to about organic fertilizer, but there was something almost fragrant about it when the spreader was laying it down in the fields.
Beyond that, a hydroponics complex gave off the unsubtle odor of organic fertilizer.
Fresh organic fertilizer had a way of splattering anyone close by when it hit the fan and he didn't want to deal with it.
As for the old one, well, there had been a half yard of organic fertilizer on the ground there for centuries.