192 



Plant Physiology 



CALCIUM versus MAGNESIUM 



USE 



1. 



2. 



3. 



4. 



125 cc. ^ Ca(N0 3 ) 2 . 



50 



125 cc. distilled water. 





125 cc. Mg(N0 3 ) 2 . 



100 



100 



5. 



50 

 125 cc. distilled water. 



50 cc. -^ Mg(NOs) 2 . 

 50 



[ 200 cc. distilled water. 



25 cc. |J Mg(NO 3 ) 2 . Jtf_ 



50 QQ 



[ 225 cc. distilled water. 



125 cc. Ca(NO 3 ) 2 . 



50 N 



SOLUTION CONTAINS 



Ca(NO 3 ) 2 . 

 Mg(NO 3 ) 2 . 



6. 



125 cc. j^Mg(NO 3 ) 2 . 

 50 



125 cc. Ca(NO 3 ) 2 . 

 50 





Mg(NO 3 ) 2 . 



Ca(N0 3 ) 2 and Mg(N0 3 ) 2 





7. 



JM -^- Ca(NO 3 ) 2 and - Mg(NO 3 ) 2 . 



50 cc. - ^ Mg(NO 3 ) 2 . 100 250 



50 



75 cc. distilled water. 



125 cc. Ca(NO 3 ) 2 . 

 50 



25 cc. ^ Mg(NO 3 ) 2 . 

 50 





Ca(N0 3 ) 2 and Mg(NO 3 ) 2 



100 cc. distilled water. 



f 125 cc. ^ Ca(NO 3 )-2. N 



50 j^ 



[ 125 cc. nutrient sol. 



Ca(NO 3 ) 2 and nutrient sol. 



J 125 cc. |- Mg(N0 3 ) 2 . _N_ (NQ } and nu trient sol. 



100 



9. \' '50 



(. 125 cc. nutrient sol. 



10. Distilled H 2 O. 



100 



Distilled water. 



