Appendix B - Soil Information

Table B.1: Soil analysis for insecticide efficacy trials at Dekalb, Monmouth, and Urbana, Illinois, 1996¹

Research Location

Factor²

Dekalb

Monmouth

Urbana

Rootworm

Cutworm

Soil PH

6.1

5.6

5.3

5.8

% O.M.

3.9

4

3.4

4.2

P lb/acre

86

86

195

197

K lb/acre

439

536

530

414

Ca lb/acre

6870

8020

6630

11720

Mg lb/acre

2114

937

1045

2053

C.E.C. mg/100 g

26.6

24.6

21.9

38.6

H mg/100 g

1.8

0

6.2

3.8

% Sand

7

9

11

9

% Silt

52

60

56

50

% Clay

41

31

33

41

Classification

silt clay

silty clay loam

silty clay loam

silty clay

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