54 



TRACTS ON VAR[OUS SUBJECTS, ^c. 



or in other words, that one bushel of the former is, in eifect, 

 equal to twelve bushels of the latter. 



The fluctuations that were found, at the periods of cutting the 

 leaves, in the effects of these two manures, are rather remarkable, 

 and not easily to be accounted for. The general effect of the 

 Guana, during the whole period from the 21st June 1809, was 

 superior to the hog's dung. Yet this last, on six occasions, ex- 

 ceeded the others : but as this and other comparisons, may be 

 made, and a variety of deductions may occur, upon inspecting 

 the following Table, it would be superfluous to add any particu- 

 lar observations. 



TABLE 11. — Shewing the Produce of Forty-eight Plants of each Experi- 

 ment, and the Fluctuatiom in the Produce of Leaves, at the Periods of 

 Cutting. 



As these products correspoud as nearly as could be expected, 

 with those computed from three different proportions of an acre, 



