CONTENTS. 
Page 
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Summary of experiments with copper sulphate to prevent smut of oats, wheat, 
OGL [DOLLY sees ea ec SAU crs ae ae eI EE Sie mM Tl Meas. 8 
Ktfect of copper sulphate as shown by the germination of seed. ---------.---. 16 
Effect of copper sulphate on the root system of plants....-....--..--------.- 19 
Eftect of copper sulphate on the growth of aerial parts of plants...--....---- 1g) 
EAnisrOmseediamected. by copper sulphate... 22.2503) ie. see le es 21 
Previous soaking of the seed in water a means of reducing the injury from 
COUPE ASU abe manne sc alsa ea SA le ioe My ane Ta SILO Zee rta 3 (Sager am 22 
ALT IAF soc 5.5 oo BSS LS AE A cea I Pea at nc LANDIS OBB Lee 2 A EES 8 23 
