What are the best answers for “making fertile as by applying fertilizer or manure”?

fecundation, fertilisation, fertilization.

How many letters does the top answer for “making fertile as by applying fertilizer or manure” have?

The most common answer is fecundation (11 letters).

3 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

fecundation 11 letters wn-def

making fertile as by applying fertilizer or manure

fertilisation 13 letters wn-def

making fertile as by applying fertilizer or manure

fertilization 13 letters wn-def

making fertile as by applying fertilizer or manure