124 SOIL BACTERIOLOGY 



HIGHER PLANTS 



Medium 79 

 Solution for Growing Higher Plants 



(a) Calcium nitrate (Ca(N0 3 ) 2 + 4H 2 O) .......... 100 gm. 



Potassium nitrate (KNOs) ................... 25 gm. 



Sodium chlorid (NaCl) ....................... 15 gm. 



Distilled water .............................. 1000 c.c. 



(6) Monopotassium phosphate (KH 2 PO 4 ) .......... 25 gm. 



Distilled water .................... . ......... 1000 c.c. 



(c) Magnesium sulphate (MgSO4 + 7H 2 O) ........ 50 gm. 



Distilled water ............................... 1000 c.c. 



(d) Ferric chlorid (FeCls + 6H 2 O) ................ 5 gm. 



Distilled water .......... . .................. 250 c.c. 



Take lo-c.c. portions of solutions (a), (>), and (c) to 1000 

 c.c. of water. Add i to 2 drops of solution (d). 

 Tollens, B., Jour. f. Landw., Bd. 30, pp. 537-540, 1882. 



Medium 80 

 Solution for Growing Higher Plants 



(a) Ammonium nitrate (NH^NOs) .............. 32.0 gm. 



Distilled water ............................ 1000.0 c.c. 



(b) Monocalcium phosphate (CaH4(PO4) 2 ) ....... 10.0 gm. 



Distilled water ............................. 1000.0 c.c. 



(c) Potassium sulphate (K 2 SC>4) ................ 20.0 gm. 



Distilled water ............................ 1000.0 c.c. 



(d) Magnesium sulphate (MgSO4 + 7H 2 O) ...... 8.0 gm. 



Distilled water ............................ 1000.0 c.c. 



(e) Ferric chlorid (FeCl 3 + 6H 2 O) .............. o.i gm. 



Distilled water ............................. 250.0 c.c. 



