Influence of radioactive substances on composting of domestic animal excrement in Fukushima

Abstract

Fukushima has been polluted with the radioactive substances by the accident of the nuclear plant. The radiation levels in the two composting facilities were urgently measured in order to check that the domestic animal excrement compost can be returned to farmlands. At the time of July, it seemed that the quantity of radioactive substances of excrement and compost was fewer than the soil. It is necessary to note the quantity of radioactive nuclide of the rice plant straw and the paddy husk harvested after autumn. The monitoring system of radioactive substances and the disposal facilities of polluted biomass are absolutely necessary.