Crossword clue: any substance such as manure or a mixture of nitrates used to make soil more fertile
2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
any substance such as manure or a mixture of nitrates used to make soil more fertile
any substance such as manure or a mixture of nitrates used to make soil more fertile