. >> reporter: akitoshi grows tea in ckanagawa prefecture. 500 becquerels is the legal limit. 74we decd in a kilogram of tea leaves grown in his field. none of the have vested leaves could be used.vested leaves cou be used.havested leaves could be ud.esd av ulbe used. >> translator: i never thought radioactivity would be found here. >> reporter: in may, kaga prefecture tested samples of farm products for radioactivity. tests showed that all the products in the area were conser bow the legal limit for contamination, except tea. the reason the tea contains radioactive material lies in the way it grows. after the incident, radioactivity released from the power plant adhered to the leaves. the buds of the tea absorb nutrients from older leaves as they grow. tid nutrients, radioactive substanceslso get absorbed into the buds. it's normally harvest time now. but this year, kirakoro cut back leaves containing radioactivity, instead of picking fresh tea. >> translator: it's just a real shame to have to cut off all the leaves after i worked so hard to on grow the plants over the last year. >> re