

fallowing is an analysis of 



MM!-:, m.i'l'- hy Sprengel : 



Soil near 

 Ottorbruch. 



Silica, Quartz, Sand and Silicates 81510 

 Alumina .... 6-435 



Iron . . . 231)5 



Oxide of Manganese . . 0-150 



1,1111 .... 0-740 



0-525 



Pot;i.-.|i and Soda extracted by water 0-009 

 Phosphoric Acid 0-120 



Sulphuric Acid . . . 0-046 



Chlorine- in common Salt 0-006 



Jfumio Add . . . 0-780 



Insoluble lluiiins . . . 2-995 

 Or^anif matters containing nitrogen 960 

 Water . 0029 



three specimens of very 



100 100 100 



for a long time in pasture, and 



for the fattening qualities of its 



The above hud remained 

 the second was remarkable 

 grass when fed to cattle. 



The following are arable lands of great fertility : 



Soil from Moravi- 



Silica and fine Sand 77-209 



Alumina . . 8514 



Chides of Iron . 6 592 



Oxide of Manganese 1-520 



Lime . . 0-927 



Magnesia 1-160 



Potash chiefly com- 

 bined with Silica 0-140 



Soda, ditto . . 0-G40 



Phosphoric Acid com- 

 bined with Lime 

 and O.xide of Iron, 0*6ol 



Sulphuric Acid in gyp- 

 sum . . 0011 



Chlorine in common 

 salt . . 0-010 



Carbonic Acid united 

 to the Lime . 



Humic Acid . (Kfitf 



Insoluble Humus 0-540 



Organic substances 



containing nitrogen 1-108 



100 100 100 100 



" Of these soils, the first had been cropped for 160 years 

 successively, without either manure or naked fallow. The 



