952 DR. DAUBENY ON THE ROTATION OF CROPS, ETC. 



regular series of analyses, both of the soil and of the cmps, during the whole period 

 of their continuance, would be of essential service in clearing up many points which 

 yet remain open to investigation in agricultural science. 



My Memoir may serve also as a kind of illustration of that method of Scientific 

 Book-keeping, which I proposed some time ago, at once as an useful exercise for the 

 agricultural student, and as a means of introducing greater precision in the conduct 

 of our experiments on this subject, and which I am therefore happy in having this 

 opportunity of rendering more generally known. 



