MANURES, THEIR KINDS AND USES. 33 



more years) is probably owing to the fact that none of the 

 urine is lost. On light sandy land it is serviceable 

 through the treading and compacting of the soil. 



The absence of cut-worms on land recently cow-penned 

 is probably attributable to the mulch of dung and the con- 

 sequent absence of vegetation in the late summer, and not 

 to the urine, as is generally supposed. When a gardener 

 owns a number of neat cattle, and is located conveniently 

 on the salt marshes, he can collect a quantity of good 

 manure, particularly well-suited to his sandy land, by 

 penning his stock upon alternate layers of salt-mud and 

 green marsh-grass. 



ANALYSES OF MARSH-GRASS, OAT-STRAW AND MEADOW HAY. COMPARA- 

 TIVE MONEY VALUE ; HAY BEING ONE DOLLAR FOR THE SAME WEIGHT : 



Salt marsh grass. . . 



Oat straw 



Meadow hay 



ORGANIC 

 SUBSTANCE. 



Total. 



73.7 

 81.7 

 79.5 



39.7 

 39.9 

 47.4 



2.2 

 1.3 

 5.4 



36.7 

 37.4 

 41.1 



0.8 

 0.6 

 0.9 



$0.68 

 0.63 

 1.00 



Barn-yard manure taken as a standard of comparison, 

 the weights opposite the manures below show the num- 

 ber of pounds which would be equal in effect to one hun- 

 dred pounds of the former: 



Barn-yard manure 100 



Solid excrements of the cow 125 



Solid 



Liquid 



Liquid 



Mixed 



Mixed 



Mixed 



Mixed 



horse * 73 



cow 91 



horse 16 



cow 98 



horse 54 



sheep 36 



ho. 64 



MANURE OF HOGS. 



The urine of man and that of the hog contain phos- 

 phates, of which that of the ox ajid horse is destitute. 



