"The crop is legal."

Translation: Η καλλιέργεια είναι νόμιμη.

[Lensman400]

Does καλλιέργεια mean the act of growing / cultivation or the resultant crop

[troll1995]

It's the act of cultivation. The resultant is σοδειά or συγκομιδή.

[joe_t4]

The other thread in this unit (καρπούζι) explains that καλλιέργεια can also mean "that which is / things cultivated" ie crops. The example given was roughly translated genetically modified cultivations ie crops.