CAN STRONTIUM AND BARIUM REPLACE CALCIUM. 7 <J 



LEV. 



Sr plants. 



Ba plants. 



Remarks. 



40c. c. of the solution added. 



40C.C of the solution added. 



3-8C111. growth equal. 



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7—15011, growth equal. 



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7.5-16.5 no difference yet. 

 Ca plants a little hetter. 



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40C.C of the sol. 5) added. 



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40CC. of the sol. 5) added. 





80c. c. of each solution added 

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 Distilled water added. 



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40C.C. of each solution and 

 some distilled water added. 



40CC. of each solution and 

 some distilled water added. 





8oc.c. of solution 5) and 

 some distilled water added. 



8oc.c. of solution 5) and 

 some distilled water added. 





40c. c. of each solution and 

 some distilled water added. 



8oc.c. of each solution and 

 some distilled water added. 



40CC of each solution and 

 some distilled water added. 



80CC of each solution and 

 some distilled water added. 



Ca and Ca + Sr plants equally 

 well, Sr and Ba plants be- 



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iooc.c. of each solution and 

 some distilled water added. 



iooc.c. of each solution and 

 some distilled water added. 





No growth, top of the leaves 

 turned yellow. 



No growth, chlorophyll 

 destroyed. 



Ba plants suffered very much, 

 difference very remarkable. 



iooc.c. of each solution and 

 some distilled water added. 



iooc.c. of each solution and 

 some distilled water added. 





iooc.c. of solution 5) and 

 some distilled water added. 



iooc.c. of solution 5) and 

 some distilled water added. 





iooc.c. of each solution and 

 some distilled water added. 



iooc.c. of each solution and 

 some distilled water added. 





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Leaves white and almost 

 died off. 





Pure water added. 



Suffered much, half of the 

 leaves dieel off. 





Ba plants nearly died off, Sr 

 plants also began to die off . 



Experiment stopped. 



