Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 March 1970
Published in Agron J 62:303-304 (1970)
© 1970 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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A Convenient Method of Placing Radioactive Substances in Soil for Studies of Root Development1

E. Jacobs2, D. Atsmon2 and U. Kafkafi3

Aqueous radioactive solution is placed into medical gelatine capsules which are then quickly frozen over dry ice. The frozen capsules are dropped into holes of various known depths, and root growth to those depths is timed by detection of radioactivity in the leaves.

1 Contribution from the Volcani Institute of Agricultural Research (N.U.I.A.), Bet Dagan, Israel. 1969 Series, No. 1565 E.

2 Dept. of Plant Genetics, The Weizmann Institute of Science, Rehovot, Israel.

3 Dept. of Soil Chemistry and Fertilization, The Volcani Institute of Agricultural Research, Rehovot, Israel.

Received for publication July 11, 1969.




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The SCI Journals Crop Science Vadose Zone Journal
Journal of Natural Resources
and Life Sciences Education		 Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome
Copyright © 1970 by the American Society of Agronomy.