File #63: "Figure 4"
Title
Figure 4
Subject
Contamination Factor for crops is being analyzed in this table. The data supports the claim that fraction retention of radionuclides is significant even at one hundred miles from ground zero. Thus, ionizing radiation fallout is a detrimental pollutant to crops within the region.
Source
Woodwell, G. M. Ecological Effects of Nuclear War . Vol. 917. (1963): Brookhaven National Laboratory.