Agave farming

Alfalfa seed farming

Aloe farming

Amaranth farming

Bentgrass seed farming

Bluegrass-Kentucky seed farming

Chicory farming

Clover seed farming

Crimson cloves seed farming

Fescue seed farming

General combination crop farming (except fruit and nut combinations, oilseed and grain, vegetable)

Grass seed farming

Guar farming

Hay seed farming

Herb farming, open field

Hop farming

Jojoba farming

Kenaf farming

Maple sap concentrating (i.e., producing pure maple syrup in the field)

Maple sap gathering