Af/LL/Q&AMS or A//7~A?CH3 £lA/. 
Apr. 5,1924 
Studies with Cyanamid 
57 
/?/cy>*A/c>0A4/if/0 m&. a/ rr/s s-sro# 
Fig. 8.—Diagram showing the rate of formation of ammonia and nitrates in soils receiving dicyan odi amid 
88285—24f-5 
