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Citrus County: Soil Ratings for Selecting Pesticides1
G.W. Hurt and T.A. Obreza2RATINGS FOR CITRUS COUNTY SOILS FOR PESTICIDE SELECTION
Resource soil scientists with the U. S. Natural Resources Conservation Service have rated the soils that are delineated by map units in the Citrus County Soil Survey Report2 for their potential for leaching and runoff of pesticides. The rating criteria are given in a companion publication entitled "Soil Ratings for Selecting Pesticides for Water Quality Goals." These soil ratings have been developed to help pesticide users determine the potential for pesticides to be lost to groundwater or surface water bodies.As explained in Circular 9591, factors that determine pesticide leaching ratings in soil are permeability and the occurrence of mucky layers in the upper 80 inches of the soil. Soils rated High have a high potential for pesticides to leach to groundwater, soils rated Medium have a medium potential for pesticides to leach to groundwater, and soils rated Low have a low potential for pesticides to leach to groundwater. Factors that determine pesticide runoff ratings from soils are hydrologic group, permeability, and slope. Soils rated High have a high potential for pesticide runoff, soils rated Medium have a medium potential for pesticide runoff, and soils rated Low have a low potential for pesticide runoff.
NOTE: The user may discover that one or more map unit names in Table 1 have been updated from names given in the legend of the soil survey report2. For example, a soil map unit may be listed in the survey report with a single soil series name, whereas the same soil map unit is shown as comprising two or more soil series in Table 1 (sequence numbers 1, 2, 3, ..) Where this occurs, the user should use the multi-named map unit given here, and make pesticide selections based on the most limiting condition to be found on the land in question. If necessary, the local Natural Resources Conservation Service office should be contacted to perform an on-site evaluation of the land in question.
REFERENCES
- Obreza, T.A. and G. W. Hurt. 2006. Soil Ratings For Selecting Pesticides For Water Quality Goals. Circular 959, Soil and Water Science Department, Cooperative Extension Service, University of Florida, Gainesville, Florida, 32611. 5pp.
- Pilny, P.E., C.T. Grantham, J.N. Schuster and D.L. Stankey. 1988. Soil Survey of Citrus County, Florida. USDA/NRCS in cooperation with University of Florida, Institute of Food and Agricultural Sciences, Agricultural Experiment Stations, Soil and Water Science Department and the Florida Department of Agriculture and Consumer Services.
ACKNOWLEDGMENTS
The development of this document was supported by the USDA/ES Water Quality Initiative Project # 89EWQI-1-9134.
Tables
Table 1. Soil Ratings for Citrus County (see footnotes for explanations of column headings).
MUID
SYS NUM
MUSYM
SOIL NAME
SOIL LEACH
SOIL RUNOFF
17002 1 2 ADAMSVILLE High Medium 17003 1 3 CANDLER High Low 17004 1 4 CANDLER High Low 17005 1 5 BASINGER High High 17006 1 6 BASINGER High High 17007 1 7 MYAKKA Medium High 17008 1 8 PAOLA High Low 17009 1 9 POMPANO High High 17010 1 10 POMPANO High High 17011 1 11 TAVARES High Low 17012 1 12 IMMOKALEE Medium High 17013 1 13 OKEELANTA Medium High 17014 1 14 LAKE High Low 17015 1 15 LAKE High Low 17016 1 16 ARREDONDO Low Low 17017 1 17 ARREDONDO Low Low 17018 1 18 KENDRICK Low Low 17019 1 19 KENDRICK Low Low 17020 1 20 PITS Medium High 17022 1 22 QUARTZIPSAMENT High Low 17023 1 23 WEEKIWACHEE Medium High 17023 2 23 DURBIN Medium High 17024 1 24 OKEELANTA Medium High 17024 2 24 LAUDERHILL Medium High 17024 3 24 TERRA CEIA Medium High 17025 1 25 LOCHLOOSA Low Medium 17026 1 26 WILLISTON Low Medium 17026 2 26 PEDRO Low Medium 17026 3 26 ROCK OUTCROP High High 17027 1 27 POMELLO Medium Medium 17028 1 28 REDLEVEL High Medium 17029 1 29 ASTATULA High Low 17030 1 30 ASTATULA High Low 17031 1 31 SPARR Low Medium 17032 1 32 CANDLER High Low 17032 2 32 URBAN LAND High High 17033 1 33 MICANOPY Low Medium 17035 1 35 SPARR Low Medium 17036 1 36 EAUGALLIE Low High 17037 1 37 MATLACHA Medium Medium 17037 2 37 URBAN LAND Medium High 17038 1 38 ROCK OUTCROP High High 17038 2 38 HOMOSASSA Medium High 17038 3 38 LACOOCHEE Low High 17039 1 39 HALLANDALE Low High 17039 2 39 ROCK OUTCROP High High 17040 1 40 HOMOSASSA Medium High 17041 1 41 CANDLER High Medium 17046 1 46 EAUGALLIE Low High 17047 1 47 FORT MEADE High Low 17048 1 48 ARENTS Medium High 17049 1 49 TERRA CEIA Medium High 17049 2 49 OKEELANTA Medium High 17050 1 50 KANAPAHA Low High 17051 1 51 BOCA Low High 17051 2 51 PINEDA Low High 17052 1 52 ANCLOTE High High 17053 1 53 BOCA Low High 17054 1 54 APOPKA Medium Low 17055 1 55 UDORTHENTS Medium Medium 17056 1 56 LAKE High Medium 17057 1 57 ONA Low High 17058 1 58 MYAKKA Medium High 17058 2 58 EAUGALLIE Low High 17059 1 59 BOCA Medium High 17060 1 60 BROWARD High Medium 17061 1 61 ORSINO High Low 17062 1 62 MALABAR Low High 17063 1 63 PAISLEY Low High 17064 1 64 CITRONELLE Medium High Footnotes:
MUID = Soil Conservation Service's map unit identifier. SEQ NUM = Sequence Number, indicating a particular soil name among one or more names constituting a map unit name.
MUSYM = Map Unit Symbol from the soil map and legend in the Soil Survey of Citrus County, Florida. Note that if a MUSYM appears more than once in this list it signifies that two or more soils are co-dominant in that map unit, and each such soil is rated separately here. SOIL NAME = Name of soil or other landscape component (urban land, pits, rock outcrop, water, etc.). SOIL LEACH = The rating of the soil for leaching of pesticides through the soil profile.
SOIL RUNOFF = The rating of the soil for runoff of pesticides from the soil surface. NOTE: See "Soil Ratings for Selecting Pesticides for Water Quality Goals" (IFAS Extension Circular 959) for explanations of the criteria used to develop soil ratings presented in the right-hand four columns of this list.
Footnotes
1. This document is SL70, a fact sheet of the Soil and Water Science Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Publication date: April 1991, revised September 2006. Please visit the EDIS Web site at http://edis.ifas.ufl.edu.2. G.W. Hurt, National Leader for Hydric Soils, Natural Resources Conservation Service, USDA; T.A. Obreza, Professor, Soil and Water Science Department, Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, 32611.
The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. For more information on obtaining other extension publications, contact your county Cooperative Extension service.
U.S. Department of Agriculture, Cooperative Extension Service, University of Florida, IFAS, Florida A. & M. University Cooperative Extension Program, and Boards of County Commissioners Cooperating. Larry Arrington, Dean.
Copyright Information
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