20 



Account of a Field Tliorough-drainecl. 



lltli. — How were the tiles laid? 



] 2tli.— What is the size of the field? 

 13th, — What was the coudition and aver- 

 age produce before draining? 



14(h. — What manure 

 turnips? 



was used on the 



The drains being cut to their proper depth, 

 and the tiles laid in, a thin covering of 

 brushwood (spruce and Scotch firs) was 

 laid upon them, and 6 inches in depth 

 of small pebble-stones was laid upon 

 the brushwood, a thin laj-er of turf 

 (grass side downwards) was laid upon 

 the stones, and then iilled up with the 

 gravel or sand and soil which had been 

 dug out of the drains. 



Five and a half acres. 



The preceding crop was oats, and seeded 

 down with clover and grass seeds, 

 which was almost a failure. The aver- 

 age produce of the oats was 4 bags per 

 acre ; the turnips were a mere brush 

 crop ; the wheat about C^ bags per 

 acre. 



20 tons of lime were spread on the surface 

 of the whole field, and 12 tons per acre 

 of farm-yard manure. 



Scale of Chain. 



The field was twice ploughed with a single plough, then harrowed, 

 rolled, and cleaned, ploughed again with a single plough, and followed 

 by the subsoil-plough. 



