Natural Resources Conservation Service, USDA § 657.5

§ 657.2 Policy. unique farmlands. Copies are to be fur- It is NRCS policy to make and keep nished to NRCS Field Offices and to current an inventory of the prime National Survey Center. (see 7 farmland and unique farmland of the CFR 600.2(c), 600.6) (4) Coordinate soil mapping units Nation. This inventory is to be carried that qualify as prime farmlands with out in cooperation with other inter- adjacent States, including Major Land ested agencies at the National, State, Resource Area Offices (see 7 CFR 600.4, and local levels of government. The ob- 600.7) responsible for the . jective of the inventory is to identify Since farmlands of statewide impor- the extent and location of important tance and unique farmlands are des- rural lands needed to produce , ignated by others at the State level, feed, fiber, forage, and oilseed crops. the soil mapping units and areas iden- § 657.3 Applicability. tified need not be coordinated among States. Inventories made under this memo- (5) Instruct NRCS District Conserva- randum do not constitute a designation tionists to arrange local review of of any land area to a specific . lands identified as prime, unique, and Such designations are the responsi- additional farmlands of statewide im- bility of appropriate local and State of- portance by Conservation Districts and ficials. representatives of local agencies. This § 657.4 NRCS responsibilities. review is to determine if additional farmland should be identified to meet (a) State Conservationist. Each NRCS local decisionmaking needs. State Conservationist is to: (6) Make and publish each important (1) Provide leadership for inventories farmland inventory on a base map of of important farmlands for the State, national map accuracy at an inter- county, or other subdivision of the mediate scale of 1:50,000 or 1:100,000. State. Each is to work with appro- State Conservationists who need base priate agencies of State government maps of other scales are to submit and others to establish priorities for their requests with justification to the making these inventories. Chief for consideration. (2) Identify the soil mapping units (b) National Soil Survey Center. The within the State that qualify as prime. National Soil Survey Center is to pro- In doing this, State Conservationists, vide requested technical assistance to in consultation with the cooperators of State Conservationists and Major Land the National Cooperative Soil Survey, Resource Area Offices in inventorying have the flexibility to make local devi- prime and unique farmlands (see 7 CFR ation from the permeability criterion or to be more restrictive for other spe- 600.2(c)(1), 600.4, 600.7). This includes re- cific criteria in order to assure the viewing statewide lists of soil mapping most accurate identification of prime units that meet the criteria for prime farmlands for a State. Each is to invite farmlands and resolving coordination representatives of the Governor’s of- problems that may occur among States fice, agencies of the State government, for specific soil series or soil mapping and others to identify farmlands of units. statewide importance and unique farm- (c) National Office. The Deputy Chief lands that are to be inventoried within for Soil Survey and Resource Assess- the framework of this memorandum. ment (see 7 CFR 600.2(b)(3)) is to pro- (3) Prepare a statewide list of: vide national leadership in preparing (i) Soil mapping units that meet the guidelines for inventorying prime criteria for prime farmland; farmlands and for national statistics (ii) Soil mapping units that are farm- and reports of prime farmlands. lands of statewide importance if the [43 FR 4031, Jan. 31, 1978, as amended at 65 criteria used were based on soil infor- FR 57538, Sept. 25, 2000] mation; and (iii) Specific high-value food and § 657.5 Identification of important fiber crops that are grown and, when farmlands. combined with other favorable factors, (a) Prime farmlands—(1) General. qualify lands to meet the criteria for Prime farmland is land that has the

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best combination of physical and (B) Xeric or ustic moisture regimes chemical characteristics for producing in which the available water capacity food, feed, forage, fiber, and oilseed is limited, but the area has a developed crops, and is also available for these water supply that is depend- uses (the land could be cropland, able (a dependable water supply is one pastureland, rangeland, forest land, or in which enough water is available for other land, but not urban built-up land irrigation in 8 out of 10 years for the or water). It has the , grow- crops commonly grown) and of ade- ing season, and moisture supply needed quate quality; or, to economically produce sustained (C) Aridic or torric moisture regimes high yields of crops when treated and and the area has a developed irrigation managed, including water manage- water supply that is dependable and of ment, according to acceptable farming adequate quality; and, methods. In general, prime farmlands (ii) The have a temperature re- have an adequate and dependable water gime that is frigid, mesic, thermic, or supply from precipitation or irrigation, hyperthermic (pergelic and cryic re- a favorable temperature and growing gimes are excluded). These are soils season, acceptable acidity or alka- that, at a depth of 20 inches (50 cm), linity, acceptable salt and sodium con- have a mean annual temperature high- tent, and few or no rocks. They are per- er than 32 °F (0 °C). In addition, the meable to water and air. Prime farm- mean summer temperature at this lands are not excessively erodible or depth in soils with an O horizon is saturated with water for a long period higher than 47 °F (8 °C); in soils that of time, and they either do not have no O horizon, the mean summer frequently or are protected from flood- temperature is higher than 59 °F (15 ing. Examples of soils that qualify as °C); and, prime farmland are Palouse silt loam, 0 (iii) The soils have a pH between 4.5 to 7 percent slopes; Brookston silty and 8.4 in all horizons within a depth of clay loam, drained; and Tama silty 40 inches (1 meter) or in the root zone clay loam, 0 to 5 percent slopes. if the root zone is less than 40 inches (2) Specific criteria. Prime farmlands deep; and, meet all the following criteria: Terms (iv) The soils either have no water used in this section are defined in table or have a water table that is USDA publications: ‘‘Soil Taxonomy, maintained at a sufficient depth during Agriculture Handbook 436’’; ‘‘Soil Sur- the cropping season to allow cultivated vey Manual, Agriculture Handbook 18’’; crops common to the area to be grown; ‘‘Rainfall- Losses From Crop- and, land, Agriculture Handbook 282’’; (v) The soils can be managed so that, ‘‘Wind Erosion Forces in the United in all horizons within a depth of 40 States and Their Use in Predicting Soil inches (1 meter) or in the root zone if Loss, Agriculture Handbook 346’’; and the root zone is less than 40 inches ‘‘Saline and Alkali Soils, Agriculture deep, during part of each year the con- Handbook 60.’’ ductivity of the saturation extract is (i) The soils have: less than 4 mmhos/cm and the ex- (A) Aquic, udic, ustic, or xeric mois- changeable sodium percentage (ESP) is ture regimes and sufficient available less than 15; and, water capacity within a depth of 40 (vi) The soils are not flooded fre- inches (1 meter), or in the root zone quently during the growing season (less (root zone is the part of the soil that is often than once in 2 years); and, penetrated or can be penetrated by (vii) The product of K (erodibility plant roots) if the root zone is less than factor) × percent slope is less than 2.0, 40 inches deep, to produce the com- and the product of I (soils erodibility) × monly grown cultivated crops (cul- C (climatic factor) does not exceed 60; tivated crops include, but are not lim- and ited to, grain, forage, fiber, oilseed, (viii) The soils have a permeability sugar beets, sugarcane, vegetables, to- rate of at least 0.06 inch (0.15 cm) per bacco, orchard, vineyard, and bush hour in the upper 20 inches (50 cm) and crops) adapted to the region in 7 the mean annual soil temperature at a or more years out of 10; or depth of 20 inches (50 cm) is less than 59

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°F (15 °C); the permeability rate is not for the production of food, feed, fiber, a limiting factor if the mean annual forage, and oilseed crops, even though soil temperature is 59 °F (15 °C) or high- these lands are not identified as having er; and, national or statewide importance. (ix) Less than 10 percent of the sur- Where appropriate, these lands are to face layer (upper 6 inches) in these be identified by the local agency or soils consists of rock fragments coarser agencies concerned. In places, addi- than 3 inches (7.6 cm). tional farmlands of local importance (b) Unique farmland—(1) General. may include tracts of land that have Unique farmland is land other than been designated for agriculture by prime farmland that is used for the local ordinance. production of specific high value food and fiber crops. It has the special com- bination of soil quality, location, grow- PART 658—FARMLAND ing season, and moisture supply needed PROTECTION POLICY ACT to economically produce sustained high quality and/or high yields of a spe- Sec. cific crop when treated and managed 658.1 Purpose. according to acceptable farming meth- 658.2 Definitions. ods. Examples of such crops are , 658.3 Applicability and exemptions. tree nuts, olives, , fruit, and 658.4 Guidelines for use of criteria. vegetables. 658.5 Criteria. (2) Specific characteristics of unique 658.6 Technical assistance. farmland. (i) Is used for a specific high- 658.7 USDA assistance with Federal agen- cies’ reviews of policies and procedures. value food or fiber crop; (ii) Has a moisture supply that is adequate for AUTHORITY: 7 U.S.C. 4201–4209. the specific crop; the supply is from SOURCE: 49 FR 27724, July 5, 1984, unless stored moisture, precipitation, or a de- otherwise noted. veloped-irrigation system; (iii) Com- bines favorable factors of soil quality, § 658.1 Purpose. growing season, temperature, humid- This part sets out the criteria devel- ity, air drainage, elevation, aspect, or other conditions, such a nearness to oped by the Secretary of Agriculture, market, that favor the growth of a spe- in cooperation with other Federal cific food or fiber crop. agencies, pursuant to section 1541(a) of (c) Additional farmland of statewide im- the Farmland Protection Policy Act portance. This is land, in addition to (FPPA or the Act) 7 U.S.C. 4202(a). As prime and unique farmlands, that is of required by section 1541(b) of the Act, 7 statewide importance for the produc- U.S.C. 4202(b), Federal agencies are (a) tion of food, feed, fiber, forage, and oil to use the criteria to identify and take seed crops. Criteria for defining and de- into account the adverse effects of lineating this land are to be deter- their programs on the preservation of mined by the appropriate State agency farmland, (b) to consider alternative or agencies. Generally, additional actions, as appropriate, that could less- farmlands of statewide importance in- en adverse effects, and (c) to ensure clude those that are nearly prime farm- that their programs, to the extent land and that economically produce practicable, are compatible with State high yields of crops when treated and and units of local government and pri- managed according to acceptable farm- vate programs and policies to protect ing methods. Some may produce as farmland. Guidelines to assist agencies high a yield as prime farmlands if con- in using the criteria are included in ditions are favorable. In some States, this part. The Department of Agri- additonal farmlands of statewide im- culture (hereinafter USDA) may make portance may include tracts of land available to States, units of local gov- that have been designated for agri- ernment, individuals, organizations, culture by State law. and other units of the Federal Govern- (d) Additional farmland of local impor- ment, information useful in restoring, tance. In some local areas there is con- maintaining, and improving the quan- cern for certain additional farmlands tity and quality of farmland.

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