146 MANURE. 



100 loads lose m Dulk, in 81 day:;, 25.7, or become 73.3 

 " " 254 " 35.7 " 64.3 



" " 384 '« 37.5 " 62.5 



" " 393 » 52.8 " 47.2 



Or to state the result differently from another source, 25 

 cwt., recent dung yield, 



At the end of six weeks, . . . . 21 cwt. 



After eight weeks, 20 " 



When half rotted, . . . . 15 to 17 '* 

 When fully rotted, . . . . 10 to 13 " 



Turning our attention to the quality' of yard-manure, it 

 has been found that the composition of that six months old 

 is per 100 parts : 



Water, • . . . 79.30 



Organic matter, 14.03 



Salts, . . . .... 6.67 



100.00 



BoussingauU. 



Cattle only afforded yard-manure of the following compo- 

 sition, per 100 parts : 



Water, 75. 



Albumen, urea, slime, bile, 

 sweet and extractive matter, S Soluble in water, 



salts, potash, and soda, j t ^ 



Resins and fatty matter, 1 i * 



Starch, ....>• Insoluble in water, i 

 Salts of lime and magnesia, ) J 

 Vegetable fibre, 20. 



100. 

 Richardson of Newcastle, England, has also oetermined 

 the composition of yard manure. His results are as fol- 

 lows: 



