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Uptake and Release of Cesium-137 by Five Plant Species as Influenced by Soil Amendments in Field Experiments

^a Brookhaven National Laboratory, P.O. Box 5000, Upton, NY 11973-5000
^b USEPA, National Center for Environmental Research (8722R), 1200 Pennsylvania Avenue, NW, Washington, DC 20460
^c Department of Plant Biology, 420 Life Science II, Southern Illinois University-Carbondale, Carbondale, IL 62901
^d MSE Technology Applications, P.O. Box 4078, Butte, MT 59702
^e USDA, U.S. Plant, Soil and Nutrition Laboratory, 237 Tower Road, Cornell University, Ithaca, NY 14853

View larger version (55K): [in a new window]   Fig. 1. Biomass production (average values and 90% confidence intervals) of the plant species as influenced by the various treatments.

View larger version (43K): [in a new window]   Fig. 2. Concentration ratios (average values and 90% confidence intervals) of the plant species as influenced by the various treatments.

View larger version (53K): [in a new window]   Fig. 3. Percentages of 137Cs removed from the soil (average values and 90% confidence intervals) by the plant species as influenced by the various treatments.

View larger version (63K): [in a new window]   Fig. 4. The concentration of 137Cs taken up by plants as a function of the estimated quantities of Ca released from composted manure by water and ammonium solution in the field cells. Zero excess Ca is defined as Ca released by the soil (and limestone added) in a cell (control cells). Cells containing manure released about 67 mmol of Ca, while cells containing manure and the ammonium solution released about 143 mmol Ca.