letnads. There agve been contNcting caporte in tee literature concerning tam reteticnghtp of petascier to cesiom-}37 eptahe ia plants (Asertach sm, Crvuaséep, 100 Miotita, ot of. 1096; Unier, 1660, Menime! a | 19600. Apparentiy the eptahe cf costam- 137 vy plaste le directly os- sociated vith petecetus: aptae 14 seme tases ond ast In ethers tt wer suggested frem: the reer te af etudwe of Cogmsbiyg & Gai ooem Acest] tha: ssevcant difGerencee ia precipitation wight ofiscess ceewe 7! levels tn moocte Geows “eid, 19000; the data presented hess 62 wt cuppe-' tele suggestion. MATER ALS APO METEOOS Semptes of Birge meecie were coffected from Kabelle, Rengelap. end Eniaetos leiands ot Reagriap Awil daring Marsh 1953, August 1953 sad Marca ::i3 Twe semeles core alse cathe csed at Utiriz 'slaad, Utirte Atei] ig. 1) ia March 185u THe ea t// » were oven-dried at 98°C ead he wet weigh te dry weight ratios were vetermined For potassium saniyeis, the samptes vere wet ested with concent: sted AID; and H73. The est wee étescived 'a 2 keowe volume ef iN MNOS and the potesstem sontest setermined by Aame phetmmetry Details of the me thed used save Seen reported by Cankreverti aad Joyner (| 908) The levels of coemm:- )37 ware determined by gemma epectreecapy “bre to ten- gress semples of dried muecte were counted The counting

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