Fructify(verb)
Make (something) fruitful or productive.
Hindi meaning:उपजाऊ बनाना, फलवान होना
Synonyms: Fecundate, Fertilize, Bear Fruit
Example: They were sacrificed in order that their blood might fructify the crops.
Trick to remember: (fructify=fertilize) fertilizers jamin ko fructify kar dete kabhi kabhi 
