IV INDEX. 



PAGE 



8. Drainage in Nottinghamshire 73 



9. Drainage at Wiseton 74 



10. Grandeur and Value of these Improvements 75 



11. Relation of these Improvements to the United States 75 



XCIX. The Drainage of Farms 76 



1. Climate, and Condition of the Soil 76 



2. Modes of Draining. Open Ditches. Covered Drains 77 



3. Elkington s System of Drainage 78 



4. Draining with Fagots and Straw 79 



5. Plug Draining 79 



6. Draining with Turf Covering 81 



7. Draining by the Mole Plough 82 



8. Suffolk Draining .83 



9. Draining in Berkshire. 84 



10. Scotch Draining Plough 85 



11. Draining with Broken Stones 87 



12. Thorough Draining, or Deanstonizing 88 



13. Implements for Draining 96 



C. National Characteristics. A Digression 98 



CI. Tile and Pipe Draining. , 99 



1. Improvements in Form of Draining-Pipes 99 



2. Important Points in Draining. 101 



3. Results and Experience in Pipe Draining. Depth of 



Drains 101 



SEVENTH REPORT. 



CI. Tile and Pipe Draining, (continued.) 105 



4. Size of Pipes 106 



5. The Philosophy of Draining 108 



6. Magnificent Agricultural Improvements, and their Moral 



Results 11] 



7. Soils to be drained 113 



8. Association for Drainage ] 15 



9. The Process of Draining 116 



10. Examples of Drainage in Ireland 118 



CII. Subsoil Ploughing connected with Thorough Draining 125 



1. Results of Subsoiling and Draining 126 



2. Failures in Subsoiling in Adhesive and Heavy Soils J26 



3. Success in Subsoiling Sandy and Light Lands 128 



4. Success of Subsoiling on Thin, Peaty Ground 132 



5. Importance of Subsoiling and Draining, and their Applica 



tion to the United States 133 



G. Objections to this Improvement 133 



7. Read s Subsoil Pulverizer. . . .135 



