Con.'ten'ts.— Contimied. 



Section X, Mtthods of Control. Paue, 



Indirect Mr/hod^, Prevention. 



Soil Improvement (Drainage, Manuring, Tillage) l.""i 



Selection of Varieties ... ... ... 1-^+ 



RecUictiou of Ratooning ... .. 134 



Rotation ... ... ... ... ... 134 



Direct Methods, Cure. 



Destruction of the Eggs : (Trashing, Weeding. 



Burning, Spraying) .. ... ... 138 



Destruction of the Nymphs : (Weeding, Flooding. 



Chemicals and Sprays. Stamping, Hand Collecting) 141 



Destruction of the Adults : (Hand Collecting. Spraying, 



Light Traps, Nets) ... .. ... 143 



Encouragement of Natural Knemies ... .. ... 147 



Introduction of New Enemies ... ... 147 



Summary .. ... .. •• 150 



Bihlio<jraijh y ... ... ... ■• 163 



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