The pot culture technique was essentially sha! o et. al. (1950). Fertilizer solutions were mixed with Gi portions of soil which were placed into 6<inch plas*ir uniform seedlings were transferred to the pots. were watered with distilled water as needed. vested after about 30 days. and the ground, tissue and <1 Plants \ oven-dsis The Cs-137 content of the dry material was <a by gamma ray spectroscopy using a three-inch thalliur sodium todide crystal in anelyzer. conjunction with a Tissue was Gry ashed anc the acid golution for potassium by titravion of the with permanganate. cobalciniirite prac Samples collected in the field uai cluded leaves from the upper foliage, muliic) (younger) and lower {olde and were composite samples from several plan: vicinity of a collecting point. The tissue was over in the field headquartecs, and was subsequently re-dr. and analyzed in the same manner as the greenhouse sam RESULTS x se x ts In & preliminary experiment with tomato, variety | the fertilizer treatments and the Cs-137 in disintegr