CHEMICAL DEPARTMENT. 



407 



No. 3.—Btirr Oak Wheat Lands, Saline, 

 Washtenaiv county. 



Selected by J. S. Wood. 

 Timber: Burr Oak. 



Sand and silicates 81.00 



Alumina 5.23 



Oxide of iron 4.66 



Lime 1-28 



Magnesia -86 



Potash 1.18 



Soda ^- .19 



Sulphuric acid .42 



Phosphoric acid .40 



Organic matter containing .11 nitro- 

 gen 2.98 



Water 1.72 



Capillary capacity for water, 36.30. 



No. 4. — Prairie Soil, Volinia, Cass Co. 



Selected by M. J. Gard. 

 Soil has been pastured but never culti- 

 vated. 



Sand and silicates 63.77 



Alumina 3.72 



Oxide of iron 5.11 



Lime 2.02 



Magnesia .66 



Potash 1.18 



Soda .56 



Sulphuric acid .13 



Phosphoric acid .44 



Organic matter containing .23 nitro- 

 gen 12..30 



Water 10.19 



Capillary capacity for water, 73.20. 



No. 5. — Prairie Soil, Volinia, Cass Co. 



Selected by M. J. Gard. 

 Soil has been cultivated for thirty years, 

 has been plastered. 



Sand and silicates 75.74 



Alumina 4.20 



Oxide of iron 5.46 



Lime 1.38 



Magnesia .56 



Potash LIO 



Soda .43 



Sulphuric acid .18 



Phosphoric acid .33 



Organic matter containing .21 nitro- 

 gen 7.50 



Water 3.10 



Capillary capacity for water, 50.55. 



No. 6. — Bottom lands of Tittabaivassee. 



Selected by Geo. F. Ball. 



Timber: Beech, maple, oak and basswood. 



Sand and silicates 67.20 



Alumina 6.31 



Oxide of iron 7.91 



Lime 1.64 



Magnesia 1.23 



Potash 1.85 



Soda 1.15 



Sulphuric acid .30 



Phosphoric acid .49 



Organic matter containing .22 nitro- 

 gen 7.48 



Water 4.00 



Capillary capacity for water, 51.40. 



No. 7.— Garden Soil, Agricultural College. 



Shlected by R. C. Kedzie. 

 Timber: Oak. beech, maple, elm, cherry 

 and sassafras. 



Sand and silicates 85 37 



Alumina 4.53 



Oxide of iron 1.81 



Lime 1.22 



Magnesia .59 



Potash .85 



Soda .37 



Sulphuric acid .23 



Phosphoric acid .30 



Organic matter containing .16 nitro- 

 gen 3.14 



Water 1.55 



Capillary capacity for water, 39.60. 



No. 8.— Clay Soil from Vineyard Agri- 

 cultural College. 



Selected by R. C. Kedzie. 



Timber: Oak, maple, beech and elm. 



Sand and silicates 65.48 



Alumina 15.60 



Oxide of iron 6.40 



Lime 1.28 



Magnesia .89 



Potash 2.12 



Soda 1.16 



Sulphuric acid -25 



Phosphoric acid .41 



Organic matter containin 11 nitro- 

 gen 4.10 



Water 2.28 



Capillary capacity for water, 59.15. 



