Environmental Setting and Water-Quality Issues
in the Lower Tennessee River Basin
Table 5. Estimated use of selected pesticides by subunit in the lower Tennessee River Basin, 1992
[Values in pounds of active ingredient applied rounded to the nearest hundred pound. Estimated use calculated using application
rates from Gianessi and Anderson, 1995, and crop acreages from 1992 Agricultural Census, U.S. Department of Commerce, 1994;
<, less than]
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Western Outer Inner Eastern Plateau and
Coastal Highland Nashville Nashville Highland Escarpment Cumberland Valley and
Plain Transition Rim Basin Basin Rim Valleys Plateau Ridge Total use
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Herbicides
2,4-D 22,500 26,000 39,500 26,800 9,900 85,900 20,800 43,100 3,100 277,700
Acifluorfen 3,000 3,300 1,600 1,000 600 8,100 1,900 2,100 <100 21,700
Alachlor 37,300 6,900 22,000 9,800 6,600 36,800 8,100 8,500 300 136,400
Atrazine 125,300 13,600 84,100 33,500 24,000 101,300 24,200 31,700 1,300 439,000
Bentazon 4,500 2,300 2,100 1,500 800 7,800 1,800 1,800 100 22,600
Butylate 50,900 3,500 23,600 7,100 5,100 23,600 6,100 8,600 300 128,700
Cyanazine 17,400 6,300 18,300 18,300 3,300 58,100 1,400 1,600 100 124,700
DSMA 500 3,900 7,300 900 <100 48,100 100 1,300 <100 62,200
Fluometuron 3,600 10,400 17,400 2,700 <100 105,600 400 2,900 <100 142,900
Glyphosate 32,700 4,900 14,400 7,500 4,300 27,900 4,800 5,100 300 101,800
Metolachlor 75,700 7,200 34,900 14,700 9,600 37,100 7,600 6,700 300 193,700
MSMA 3,000 18,600 37,300 4,600 <100 242,400 800 6,700 <100 313,400
Norflurazon 300 4,800 9,900 1,100 <100 65,800 200 1,800 <100 84,000
Paraquat 8,000 1,900 4,900 2,100 1,200 11,400 1,200 1,100 <100 31,800
Pendimethalin 11,400 10,700 12,100 3,900 1,500 66,200 5,000 6,800 100 117,700
Simazine 20,000 700 14,200 6,100 4,500 12,000 1,900 900 100 60,300
Trifluralin 15,900 11,400 14,300 4,100 1,500 78,100 7,200 9,500 200 142,300
Total herbicide use 432,000 136,400 357,900 145,700 72,900 1,016,200 93,500 140,200 6,200 2,400,900
Insecticides
1,3 Dichloropropene <100 3,500 9,000 4,400 <100 64,700 200 1,700 <100 83,400
Acephate 5,800 4,200 7,800 2,800 1,000 37,800 800 1,800 <100 61,900
Aldicarb 1,700 4,700 9,600 1,400 <100 58,700 200 1,600 <100 78,100
Carbaryl 2,500 1,400 1,500 800 500 3,300 2,200 1,500 100 13,900
Carbofuran 5,900 1,600 4,500 1,600 1,000 10,200 3,500 6,300 200 34,800
Chlorpyrifos 10,100 1,300 9,700 4,600 3,100 13,100 1,200 800 100 43,900
Dicrotophos 1,100 1,800 3,300 600 <100 18,700 100 500 <100 26,100
Disulfoton 700 2,200 4,900 700 <100 30,500 200 900 <100 40,000
Ethyl parathion <100 300 400 0 <100 2,300 900 1,900 100 5,800
Malathion 1,200 3,800 7,500 1,100 300 48,400 200 1,400 <100 63,900
Methyl parathion 1,700 17,000 20,100 2,300 100 134,300 1,300 5,400 100 182,200
PCNB 1,000 4,500 7,800 1,000 <100 49,300 200 1,400 <100 65,200
Profenofos 600 5,700 7,200 800 <100 47,900 100 1,300 <100 63,800
Thiodicarb 700 5,900 11,700 1,400 <100 77,300 300 2,200 <100 99,500
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Total insecticide use 33,000 57,900 105,000 23,500 6,000 596,500 11,400 28,700 600 862,500
Other Pesticides
Chloropicrin 1,400 <100 1,200 1,100 500 900 3,600 700 <100 9,500
Ethephon 1,300 5,100 9,700 1,600 200 60,600 200 1,700 <100 80,300
Mancozeb 4,200 800 2,600 1,700 1,000 5,400 5,300 10,800 700 32,600
Methyl Bromide 13,500 3,000 12,300 11,000 5,100 14,200 24,000 33,000 1,400 117,500
Sodium chlorate 300 5,200 8,300 900 <100 55,700 200 1,600 <100 72,200
Sulfur 1,300 1,800 1,200 1,300 100 26,200 3,600 5,900 300 41,600
Tribufos 1,100 7,100 11,600 1,400 <100 75,000 200 2,100 <100 98,500
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Total other 23,100 23,000 46,900 19,000 6,900 238,000 37,100 55,800 2,400 452,200
pesticide use ____________________________________________________________________________________________________________
Total pesticide 488,100 217,300 509,800 188,200 85,800 1,850,700 142,000 224,700 9,200 3,715,600
use
Total pesticide use 204 127 99 90 151 541 75 103 58
per square mile
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Last modified: Mon Nov 8 14:35:59 1999
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