fertile

Short definition from Wiktionary

Adjective

1. 1
   Of land, etc.: capable of growing abundant crops; productive.
2. 2
   Of one's imagination, etc.: active, productive, prolific.
3. 3
   Capable of reproducing; fecund, fruitful.
4. 4
   Capable of developing past the egg stage.
5. 5
   Not itself fissile, but able to be converted into a fissile material by irradiation in a reactor.

Proper noun

1. 1
   A city and township in Iowa.
2. 2
   A city in Minnesota.