Assertion: fertilizer's material | /r/HasProperty | compost
Facets:
Source sentences:
text: These materials may come from animals or plants and can include manure, fish, worm castings, compost, kelp, guano, or bone meal.
text: Other materials for supplying crop nutrients include animal manures, composts, mined materials and salts, and various prepared products such as humates and hydrolyzed fish waste.