Radioactive particles spewing from Fukushima Daiichi will affect the food chain.  Particles will collect on crops, and will end up in the ocean affecting sea life.

Taiwan has already started testing their own crops for signs of radiation contamination.  Russia has increased radiation monitoring from weekly, to daily.

Cows will graze on grass that is contaminated with radiation, and it will show up in the milk.

Thailand, South Korea and Singapore are testing food products from Japan.

Chinese officials have expressed concern about radiation levels in the ocean.