[ RadSafe ] 'nother question on MBq/km2 or two

[Karen Street]

http://www.pnas.org/content/108/49/19530.full has a map of the area contaminated by 100,000 or 10,000 MBq/km2 and also other units to keep me on my toes

Practically speaking, what kind of kibosh does this put on ag?

Was the loss in the area around Chernobyl greater in the summer or winter? After the rain or the snow? I assume that if the winter, there will be another set of tests of soil and village in a few months.....?????
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Best wishes, 
Karen Street
Friends Energy Project
blog http://pathsoflight.us/musing/index.php