AGRICXJLTURE WITH CHEMISTRT. 87 



Exclusively of its septic effcfbs, when used with 

 dung, and animal or vegetable matters, it is destruc- 

 tive to many different kinds of living in"seds, such as 

 snails, grubs, slugs, worms. Sec. Sea salt is contained 

 in great quantities in marine plants; and as there is a . 

 variety of plants approaching more or less to those of a 

 marii.e nature, its effects will be found greater in pro- 

 moung the growth of certain classes of vegetablesr than 

 of others. Sea salt is extremely injurious to poor soils, 

 and ought only to be applied to rich lands. 



MURIAT OF AMMONIAC, OR SAL AMMONIAC 



Nothing need be said on this subject, as the ex- 

 pence of the article precludes the use of it in Agri- 

 culture. 



PHOSPHAT OF POTASH— OF SODA— AND OF AMMONIAC. 



The above salts having similar eifcds in promoting 

 vegetation, the same description, as it respects Agricul- 

 ture, will nearly apply to them all. 



They 



