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has been produced in a firm and bard ground. 

 Thus the cultivators of thefe two kinds of 

 land, by every year changing their feeds, will 

 afford to each a reciprocal benefit. This 

 feed may be preferved in its full perfection for 

 three or four years. 



§ XIII. 



*The Means of preferving thefe Roots from the 

 Month of November to the End of June. 



If the flock of roots be considerable, and 

 if they cannot be depofited in the houfe, it 

 is neceffary, many days before the crop, to 

 caufe ditches, or trenches, to be dug in the 

 fame field, or in fome other place, which 

 during the winter may be fecured from rain; 

 after having left the infide of thefe ditches 

 to dry, during eight or ten days, you may 

 put a little ftraw at the bottom, and at the 

 fides you may then place your roots, one 

 by one, in thefe ditches, handling them 

 gently, and taking the precaution of clearing 

 them from all the earth which furrounds 



them. 



