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When he gets to that happy state when he requires double and 

 treble furrow ploughs and several teams of horses, he will have 

 gained sufficient experience to get along without reference to hand- 

 books on tillage operations. 



The physical condition of the soil when it is ploughed is a 

 matter of considerable importance. The drier the soil is when it 

 is broken, the better. Stiff clay soils should never be worked when 



they are saturated with moisture. Light sandy soils may he 

 ploughed in any condition, wet or dry. The reasons for all this are 

 obvious. To repeat, the chief object of ploughing is to aerate the 

 soil. The atmosphere has no chance of penetrating a slice of 



