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Subject of Investigation (SOI) Codes

The Subject of Investigation (SOI) codes, identifies the commodity, product, organism, entity, resource, or technology not related to specific commodities or resources, that represents the intended target or focus of the research or for which the application of the research is intended.

Soil and Land

0110 Soil

0120 Land

0199 Soil and land, general

 

Water

0210 Water resources

 

Watersheds and River Basins

0310 River basins

0320 Watersheds

0330 Wetland and riparian systems

0399 Watersheds and river basins, general

 

Atmosphere

0410 Air

0420 Weather

0430 Climate

0440 Solar radiation

0499 Atmosphere, general/other

 

Recreational Resources

0510 Wilderness

0520 Campgrounds and picnic areas

0530 Parks and urban green space

0599 Recreational resources, general/other

 

Trees, Forests, and Forest Products (excluding edible tree nut crops)

0610 Conifer forests of the North

0611 Conifer forests of the South

0612 Conifer forests of the West

0613 Mixed conifer-broadleaf forests

0620 Broadleaf forests of the North

0621 Broadleaf forests of the South

0622 Broadleaf forests of the West

0630 Chaparral and shrub lands

0640 Tropical forests

0650 Wood and wood products

0660 Paper and pulp derived products

0670 Short rotation woody crops, including holiday trees

0680 Other products of the forest

0699 Trees, forests, and forest products, general

 

Rangelands and Grasslands

0710 Desert and semidesert shrub land and shinnery

0720 Pinyon-juniper

0730 Mountain grasslands, meadow, and alpine

0780 Grasslands, other

0790 Rangelands, other

0799 Rangelands and grasslands, general

Wildlife and Natural Fisheries Management, Endangered Species

0810 Finfish

0811 Shellfish

0812 Fish habitats

0819 Natural fisheries, other

0820 Wild birds

0830 Wild animals

0840 Fur-bearing animals

0850 Wildlife habitats

0860 Endangered species

0899 Wildlife and natural fisheries, general/other

 

Citrus

0910 Grapefruit

0920 Orange

0930 Lemon

0999 Citrus, general/other

 

Tropical/Subtropical Fruit

1010 Banana

1020 Pineapple

1030 Papaya

1040 Mango

1050 Date

1060 Kiwi

1099 Tropical/subtropical fruit, general/other

 

Deciduous and Small Fruits

1110 Apple

1111 Apricot

1112 Cherry

1113 Nectarine

1114 Peach

1115 Pear

1116 Plum

1119 Deciduous tree fruits, general/other

1120 Blueberry

1121 Cranberry

1122 Strawberry

1123 Raspberry

1129 Berries and cane fruits, other

1130 Table grapes

1131 Wine grapes

1132 Raisin grapes

1139 Grapes, other

1199 Deciduous and small fruits, general/other

 

Edible Tree Nuts

1210 Filbert

1211 Pecan

1212 Almond

1213 Walnut

1219 Edible tree nuts, general/other

 

Vegetables

1310 Potato

1410 Beans (dry)

1411 Beans (fresh, fresh-processed)

1412 Peas (dry)

1413 Peas (fresh, fresh-processed)

1414 Lentil

1419 Leguminous vegetables, other

1420 Melons (includes cantaloupe, muskmelon, watermelon)

1421 Cucumber

1429 Cucurbits, other (includes pumpkin, squash, gourd)

1430 Greens & leafy vegetables (endive, lettuce, spinach, turnipgreens, celery, rhubarb, parsley, asparagus)

1440 Cole crops (cabbage, kale, broccoli, brussels sprouts, cauliflower, kohlrabi)

1450 Sweet potato

1451 Onion, garlic, leek, shallot

1452 Carrot

1453 Yam

1454 Taro

1455 Cassava (or manioc)

1459 Rhizomes, tubers, bulbs, and root crops, general/other (for potato use 1310)

1460 Tomato

1461 Peppers

1462 Eggplant

1469 Solanaceous and related crops, general/other (for potato use 1310)

1470 Mushrooms and other edible fungi

1480 Sweetcorn

1499 Vegetables, general/other

 

Grain Crops

1510 Corn (for sweetcorn use 1480)

1511 Popcorn

1520 Grain sorghum

1530 Rice

1540 Hard red winter wheat

1541 Hard red spring wheat

1542 Soft red wheat

1543 Soft white wheat (includes club, western)

1544 Hard white wheat

1545 Durum wheat

1549 Wheat, other

1550 Barley

1560 Oats

1570 Rye

1599 Grain crops, general/other (includes buckwheat, millet, triticale)

 

Pasture and Forage Crops

1610 Pasture

1620 Warm season perennial grasses (includes dallisgrass, bluestems, bermudagrass)

1621 Cool season perennial grasses (bluegrass, bromegrass, fescue, orchardgrass, perennial ryegrass, timothy,wheatgrass)

1629 Perennial grasses, other

1630 Summer annual grasses (forage sorghums, sudangrass, sorghum-sudangrass hybrids)

1631 Winter annual grasses (includes annual ryegrass)

1639 Annual grasses, other

1640 Alfalfa

1641 Trefoil

1642 Red clover

1643 Crownvetch

1644 Winter annual legumes (includes subterranean clover, arrowleaf clover)

1649 Forage legumes, other

1699 Pasture and forage crops, general/other

 

Fiber Crops

1710 Upland cotton

1711 Long fiber cotton

1719 Cotton, other

1720 Kenaf

1730 Hemp

1740 Ramie

1750 Agave

1799 Fiber crops, general/other

 

Oilseed and Oil Crops

1810 Cottonseed (for meal, oil, etc.)

1820 Soybean

1830 Peanut

1840 Castor

1841 Crambe

1842 Flax

1843 Safflower

1844 Sunflower

1845 Jojoba

1846 Coconut

1847 Palm

1848 Canola

1849 Cuphea

1850 Lesquerella

1851 Meadowfoam

1852 Rape

1853 Sesame

1854 Chinese tallow

1855 Tung

1899 Oilseed and oil crops, general/other

 

Tobacco

1910 Flue-cured tobacco

1920 Burley tobacco

1930 Cigar-type tobacco

1999 Tobacco, general/other

 

Sugar Crops

2010 Sugar beet

2020 Sugar cane

2030 Sweet sorghum

2099 Sugar crops, general/other

 

Ornamentals and Turf

2110 Ornamental trees and shrubs

2120 Herbaceous perennials and decorative greens

2121 Cut flowers, foliage, and greens

2122 Potted plants

2123 Bedding/garden plants

2129 Florist crops, other

2130 Turf (bentgrass, bermudagrass, bluegrass, dichondra, fescue, ryegrass, zoysia)

2140 Ground covers

2150 Aquatic plants

2160 Arboreta and botanical gardens

2199 Ornamentals and turf, general/other

 

Miscellaneous and New Crops

2210 Chemurgic crops

2220 Medicinal crops, non-narcotic

2221 Narcotic plants

2230 Hops

2231 Mint

2232 Coffee

2233 Cocoa

2234 Tea

2235 Herbs and spices

2239 Flavoring and beverage plants, other

2240 Guayule

2241 Hevea

2242 Gums

2249 Rubber, gum, and resin plants, other

2299 Miscellaneous and new crops, general/other

2300 Weeds

 

Plants

2410 Cross-commodity research--multiple crops

2420 Noncrop plant research

2499 Plant research, general

 

Bees, Honey, and Other Pollinators

3010 Honey bees

3020 Honey and honey products

3030 Non-honey apiary products

3090 Other Pollinators

3099 Bees, honey, and other pollinators, general

 

Invertebrates

3110 Insects

3120 Spiders, mites, ticks, and other arthropods

3130 Nematodes

3199 Invertebrates, general/other

 

Poultry

3210 Egg-type chicken, live animal

3220 Meat-type chicken, live animal

3230 Turkey, live animal

3240 Duck and goose, live animal

3250 Ratites (e.g., ostrich, emu, rhea), live animal

3260 Poultry meat

3270 Eggs

3280 Other poultry products

3299 Poultry, general/other

 

Beef Cattle

3310 Beef cattle, live animal

3320 Meat, beef cattle

3330 Other beef cattle products

3399 Beef cattle, general/other

 

Dairy Cattle

3410 Dairy cattle, live animal

3420 Butter

3430 Cheese

3440 Meat, dairy cattle

3450 Milk

3460 Ice cream

3470 Other dairy cattle products

3499 Dairy cattle, general/other

 

Swine

3510 Swine, live animal

3520 Meat, swine

3530 Other swine products

3599 Swine, general/other

 

Sheep and Wool

3610 Sheep, live animal

3620 Meat, sheep

3630 Wool fiber

3699 Sheep and wool, general/other

 

Cultured Aquatic Animals

3710 Catfish

3711 Trout

3712 Salmon

3713 Striped bass

3714 Tilapia

3715 Baitfish (minnows and shiners)

3716 Ornamental finfish

3719 Other cultured finfish

3720 Crawfish

3721 Marine shrimp

3722 Freshwater shrimp

3723 Oysters

3724 Clams and mussels

3725 Ornamental shellfish

3729 Other cultured shellfish

3799 Cultured aquatic animals, general/other

 

Other Animals

3810 Horses, ponies, and mules

3820 Goats, meat and mohair

3830 Pets (companion animals)

3840 Laboratory animals

3899 Other animals, general

 

Animals

3910 Cross-commodity research-multiple animal species

3999 Animal research, general

 

Microorganisms

4010 Bacteria

4020 Fungi (includes yeast)

4030 Viruses

4040 Viroids, mycoplasmas, spiroplasmas, etc.

4050 Protozoa

4099 Microorganisms, general/other

 

Food

5010 Food (not readily associated with specific plant and animal products)

 

Clothing and Textiles

5110 Clothing/apparel

5120 Textiles

5199 Clothing and textiles, general

 

Agricultural Supplies

5210 Fertilizers

5220 Pesticides (includes herbicides, insecticides, fungicides, etc.)

5230 Feed and feed additives

5240 Seeds and other plant propagules

5299 Agricultural supplies, general/other

 

 

Structures, Facilities, and Equipment

5310 Machinery and equipment

5320 Houses (human residences), furniture, household equipment, non-textile furnishings

5330 Farm structures and related facilities

5340 Nonfarm structures and related facilities, those used in marketing, storing, processing, distributing, recreation

5350 Domestic and community water supply facilities and systems

5360 Drainage and irrigation facilities and systems

5370 Sewage and waste disposal facilities and systems

5399 Structures, facilities, and equipment, general/other

 

People and Communities

6010 Individuals (as workers, consumers, members of society)

6020 The family and its members

6030 The farm as an enterprise

6040 Real estate

6050 Communities, areas, and regions, including states and their institutions and organizations

6099 People and communities, general/other

 

Economy

6110 Economy of the United States and sectors thereof

6120 International economy and sectors thereof

6199 Economy, general/other

 

Marketing

6210 Farmer cooperatives

6220 Marketing, processing, and supply firms other than cooperatives

6230 Marketing systems and sectors thereof

6299 Marketing, general/other

 

Other technologies

7010 Biological Cell Systems

7110 Research on research management (not research management per se)

 

Research Equipment and Methods

7210 Remote sensing equipment and technology

7220 Sensory evaluation/analysis methods (human senses)

7299 Research equipment and methods, general/other

7310 Experimental design and statistical methods

7410 General technology