MANURE. 179 



are sold for 100 francs, or about |19. Columbine is applied 

 at the rate of about 900 lbs. per acre, ordinarily. In 

 France the expense of this manure, per acre, is from $9.60 to 

 $15.56. 



The composition is as follows, per 100 parts : 



Qy-iliiVwl/i •TMoffa^ in 1 Recent. Six monthg old. After fermonUtioa. 



ooiuDie mairer in ^ baw. sprkngkl, davt. 



Pigeons' dung, f 23 16 8 



The salts and other matters are similar to those in guano. 

 Pigeons* dung has been imported from Egypt into England. 

 Its composition per 100 parts was found by Johnston to be : 



100.00 



All fowl droppings should be kept dry to avoid fermenta- 

 tion. It is best to compost this manure with peat, or char- 

 red earth, as noticed under the head of poudrette making. 



215. And here, having adverted to eggs, attention may be 

 called to a sadly overlooked fact. All around is heard the 

 reqXjem of departed wheat-fields. The burden of the chant 

 is, carbonate of lime ! carbonate of lime ! The wail is, it is 

 gone ! gone ! The want of this is the grand characteristic of 

 J our soil. The sole cause, in th^ estimation of some, of all 

 our barrenness, and fruitless attempts, as they say, and 

 \v'ould have us believe, at raising wheat. An egg-shell shall 

 put such reasoning or dreaming to flight. A common sized 



