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Subject of Investigation
Air
Animal research, general
Apple
Barley
Beans (fresh, fresh-processed)
Beef cattle, general/other
Beef cattle, live animal
Blueberry
Catfish
Citrus, general/other
Climate
Cocoa
Coffee
Corn (for sweetcorn use 1480)
Cross-commodity research--multiple crops
Dairy cattle, general/other
Dairy cattle, live animal
Deciduous tree fruits, other
Durum wheat
Edible tree nuts, general/other
Food (not readily associated with specific plant and animal products)
General Commodity
Grapes, other
Hard red spring wheat
Hard red winter wheat
Individuals (as workers, consumers, members of society)
Insects
Kiwi
Land
Noncrop plant research
Orange
Ornamental trees and shrubs
Ornamentals and turf, general/other (includes cacti)
Other animals, general
Other cultured finfish
Oysters
Peach
Peas (dry)
Plant research, general
Potato
Poultry, general/other
Rangelands and grasslands, general
Raspberry
Research equipment and methods, general/other
Sheep and wool, general/other
Soft red wheat
Soil
Soybean
Strawberry
Sugar beet
Sugar cane
Swine, general/other
Swine, live animal
Table grapes
Trees, forests, and forest products, general
Tropical/subtropical fruit, general/other
Turkey, live animal
Upland cotton
Vegetables, general/other
Water resources
Watersheds
Weeds
Wheat, other
Wine grapes