FAKMYAKD MANURE. 



FARMYARD MANURE is the oldest, and is still, undoubt- 

 edly, the most popular, of all manures. It has stood 

 the test of long experience, and has proved its posi- 

 tion as one of the most important of all our ferti- 

 lisers. It is highly desirable, therefore, to make a 

 somewhat detailed examination of its composition, 

 and to see on what the variation in this depends ; 

 and, finally, to examine into the mode of its action 

 as a manure. 



That it should prove a valuable manure is scarcely 

 to be wondered at, as it is originally formed from 

 vegetable substance, and as it, therefore, contains all 

 the elements present in the plant itself. 



Its composition is very variable, and probably 

 no two samples would yield exactly similar anal- 

 yses. In this fact lies one of the chief difficulties 



A 



