LYSIMETER WATEK. 



345 



3. Series of analyses made in 1859. 



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

 sent the quantity of atmospheric water that passed from March 

 20 to Nov. 16, 1859, through a layer of earth of a square foot of 

 surface and 12 inches deep. The earth was ordinary unmanured 

 alluvial lime soil from the Isar (garden soil). All the soils were 

 in grass. I. Unmanured. II. Manured, 17'8 grammes nitrate of 

 potash. III. Manured, 15 -4 grammes sulphate of potash. IV. 

 Manured, 17*8 grammes nitrate of potash, and 3*66 grammes 

 phosphoride made soluble with 2 grammes sulphuric acid. V. 

 Manured, 15'4 grammes sulphate of potash, and 3'66 grammes 

 of phosphorite made soluble as above. VI. Manured, 12'3 

 grammes carbonate of potash. 



1,000,000 litres of water, passed through one foot of the soils 

 already described, contain 



15* 



