In 6 minutes I made a Detailed Crops Field. It took longer than I expected. Don't forget the /gamerule doTileDrops false Command!
========================================­====
Be sure to Subscribe for more stuff in the Future

Brushes:
Hoe - //brush sphere 60:7 3
        - //brush sphere 30%60:7,70%grass
        - //mask grass

Wheat - /gamerule doTileDrops false
            - //overlay 59:7
            - //replace 59:7 98%59:7,2%170