{Organic matter 5.86 {Oxides of iron 6.83 {Alumina 7.12 {Carbonate of lime 2.13 Soluble in {Magnesia 2.01 hydrochloric acid. {Potash .67 {Soda .08 {Chloride of sodium .02 {Phosphoric acid .18 {Sulphuric acid .17 {Insoluble silicious matter, 74.61. { Consisting of: {Alumina 4.37 {Lime, (in a state of silicate) 4.07 Insoluble in acid {Magnesia .46 {Potash .19 {Soda .23 {Silica 65.29 ----- 99.68 ===== “This soil, it will be seen, contained, in appreciable quantities, not only potash and phosphoric acid, but all the elements of fertility which enter into the composition of good arable land. It may be briefly described as a stiff clay soil, containing a sufficiency of lime, potash, and phosphoric acid, to meet all the requirements of the clover-crop. Originally, rather unproductive, it has been much, improved by deep culture; by being smashed up into rough clods, early in autumn, and by being exposed in this state to the crumbling effects of the air, it now yields good corn and forage crops. “In separate portions of the three layers of soil, the proportions of nitrogen and phosphoric acid contained in each layer of six inches, were determined and found to be as follows: Soil dried at 212 deg. Fahr. 1st six 2d six 3d six inches. inches. inches. Percentage of phosphoric acid .249 .134 .172 Nitrogen 1.62 .092 .064 Equal to ammonia .198 .112 .078 “In the upper six inches, as will be seen, the percentage of both phosphoric acid and nitrogen, was larger than in the two following layers, while the proportion of nitrogen in the six inches of surface soil, was much larger than in the next six inches; and in the third section, containing no visible particles of root-fibres, only very little nitrogen occurred. “In their natural state, the three layers of soil contained: