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