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Article XXIV. 



A Pra^ical Enquiry co7icerning the vioji certain and 

 effefiual means of provioting Vegetation. 



[By the Same.] 

 Gentlemen, 



IN a former paper I attempted to fhew that there 

 is a natural relation or connexion between the 

 animal and vegetable kingdoms. That as the 

 animal kingdom lives on, and is wholly fubfifted 

 by, the vegetable; fo is the vegetable no lefs main- 

 tained and fupportcd by the animal. Each by 

 turns being mutually the fupport of, and fup- 

 ported by, the other. 



If this theory be juft, animal fubftance, fronri 

 whatever fubjedt it is derived, or under whatever 

 form it may appear, when it is perfedlly digefled 

 and putrified, fubtilized and become volatile, is 

 the true, genuine, and fole aliment of plants. The 

 dunghill, which confifts chiefly of animal excre- 

 ments, contains the greateft quantity of nutritive 

 principles of any fubftance whatever of equal di- 

 menlions, the conftituent parts of animals only 

 excepted. The dunghill, therefore, is the greateft 

 and moft powerful fertilizer of land ; and could 

 the farmer acquire as*much of it upon moderate 



terms 



