134 Decomposition of Cyanamide and Dlcyanodlamide 



5 15 35 



Fig. 1. Showing relative rates o£ nitrate produetion. 



84 days 



Ammonium Control Cyanamitle Cy. 3 ' .^ I Dicyano- 



sulphate Dicy. 1 JJi'y- 3 cliamide 



Fig. 2. Showing effects of various forms of nitrogen on growth of mustard. 

 (N added = 50 mgs. per kilo soil.) 



