■ tfi bW' w 



Fig. 4. Effect of Lime. 



a. to d. R hubarb, e. to h. New Zealand Spinach, a. and b., e. and/, both receiving 

 sulphate' of ammonia, a. and e. unlimed, b. and/, limed, c. and d., g. and h. both 

 received nitrate of aoda, c. and g. unlimed, d. and A. limed (after Hartwell and 

 Damoq'^ . 



