Memenrsd ene 40 7 © X-1 O a X-2 oO X-3 0 oO ! O 20 4 A QO © &é& 10 7 © oO E a 6 — = t N 4- a i 2 + o & ' 1 7 5 T 10 T 15 T 20 SAMPLE DEPTH (CM) FIGURE B-9-6. AVERAGE SOIL CONCENTRATIONSOF 241am VS. DEPTH IN PROPOSED PLOWING EXPERIMENT AREAS B-9-14
Memenrsd ene 40 7 © X-1 O a X-2 oO X-3 0 oO ! O 20 4 A QO © &é& 10 7 © oO E a 6 — = t N 4- a i 2 + o & ' 1 7 5 T 10 T 15 T 20 SAMPLE DEPTH (CM) FIGURE B-9-6. AVERAGE SOIL CONCENTRATIONSOF 241am VS. DEPTH IN PROPOSED PLOWING EXPERIMENT AREAS B-9-14