366 



APPENDIX D. 



1,000,000 litres of water, passed through 6 inches of the soils 

 already described, contain — 



2. — Series of analyses made in 1858. 



The waters analysed were obtained from six soils, and repre- 

 sent the quantity of atmospheric water that passed, from May 10 

 to Nov. 1, 1858, through a layer of earth of a square foot of 

 surface and 12 inches deep. The earth was ordinary unma- 

 nured alluvial lime soil from the Isar. The plant selected for 

 cultivation was the potato. I. Unmanured, and without vege- 

 tation. 11. Unmanured, with vegetation. III. Manured, 

 10 grammes common salt, with vegetation. IV. Manured, 

 10 grammes nitrate of soda, with vegetation. V. 10 grammes 

 guano, with vegetation. VI. Manured, 20 grammes phos- 

 phorite made soluble with hydrochloric (?) acid, with vegeta- 

 tion. 



