AGRICULTURAL TEXT-BOOK. 143 



A B 



Water per cent, - I2 5 i16 



Nitrogen per cent, of dried, 2.40 54 



not dried, - - 2.10 0.48 



Ammonia dried, calculated from the nitrogen, 2.94 0.65 



336. Inorganic analysis of Buckwheat straw (Sprenget) 

 100,000 parts of the dry straw contained 3203 parts of ash: 



Potash, 332 



Soda, - 62 



Lime, - 704 



Magnesia, 1292 



Alumina, - - 26 



Oxide of iron, - - - 15 



Oxide of manganese, - 32 



Silica, 140 



Chlorine, - - - - 95 



Sulphuric acid, - 217 



Phosphoric acid, .... ggS 



3,203 



337. An acre of 28 bushels, weighing 56 Ibs. per bushel, 

 gives of the grain, an average of 



Organic matter, - - 1326 Ibs. 



Ash, 22 &quot; 



Nitrogen, - 32 &quot; 



Phosphoric acid, - 11 &quot; 



338. Proximate organic analysis of Buckwheat : (Salisbury.) 



Starch, - 42.47 



Sugar and extractive matter, - 616 



Dextrine and gum, - - 1.60 



Epidermis, 1442 



A light gray matter insoluble in \vater and boiling alcohol, - 10.10 



Albumen, - - - 6.70 



Casein, .... 0.78 



ilfitter dissolved ont of the bodies insoluble in water, by boil- ? o gg 



ing alcohol; rising with a substance analogous to water, 5 &quot; 



Oil, ..... 0.47 



Water, - 12.88 



98.24 



