Page 30 of 47 PUB-122 (R-01/12)
Instructions for Farmland Assessments
Table 2
Productivity of Illinois Soils Under Average Management
Slightly Eroded, 0 to 2 Percent Slopes
B 810 Productivity
Index (PI)
Average management
750 Skelton fine sandy loam Favorable 93
751 Crawleyville loam Favorable 94
752 Oneco silt loam Favorable 97
753 Massbach silt loam Favorable 98
754 Fairpoint gravelly clay loam Crop yield data not available
755 Lamoille silt loam Favorable 75
756 Wyanet fine sandy loam Favorable 101
757 Senachwine fine sandy loam Favorable 90
759 Udolpho loam, sandy substratum Favorable 90
760 Marshan loam, sandy substratum Favorable 109
761 Eleva sandy loam Unfavorable 76
763 Joslin silt loam Favorable 115
764 Coyne fine sandy loam Favorable 93
765 Trempealeau silt loam Favorable 100
766 Lamartine silt loam Favorable 118
767 Prophetstown silt loam Favorable 122
768 Backbone loamy sand Favorable 77
769 Edmund silt loam Unfavorable 79
770 Udolpho loam Favorable 91
771 Hayfield loam Favorable 100
772 Marshan loam Favorable 110
774 Saude loam Favorable 96
776 Comfrey clay loam Favorable 122
777 Adrian muck Favorable 97
779 Chelsea loamy fine sand Favorable 68
780 Grellton sandy loam Favorable 93
781 Friesland sandy loam Favorable 105
782 Juneau silt loam Favorable 116
783 Flagler sandy loam Favorable 85
784 Berks loam Unfavorable 56
785 Lacrescent cobbly silty clay loam Favorable 73
786 Frondorf loam Unfavorable 77
787 Banlic silt loam Favorable 94
789# Ambraw-Ceresco-Sarpy complex Favorable 97
789# Volney silt loam, bedrock substratum Unfavorable 76
791 Rush silt loam Favorable 96
792 Bowes silt loam Favorable 115
793 Berks, Muskingum and Wiekert soils Unfavorable 55
796 Huey-Burksville silt loam Unfavorable 85
797 Hickory-Homen silty clay loam Favorable 87
799 Arents, loamy Crop yield data not available
Revised January 1, 2012
IL map
symbol Soil type name Subsoil rooting
