-T 





^2 feed, 



'Hair- 



V 



) dr 



15 



\0, 



iibo 





^^1 il 



foils 



and all 



-te with cai 

 ''^^ the ide 



a 



etabl 



e 



es ; and 

 n^eliora, 



ty. Wheat 

 »d bakers, to 



Jt more and 

 more (larcli 



e in cultiva- 



"■fioa of mil- 

 of the feed.; 



of (hort aiid 



defuloflinie 

 fed to eat for 



. clofe to the- 

 tainlng nior« 



c 



alc^ 



boil 



n* 



(Tefsa 

 fluor, 



hich ace 



rs w 



it 



be 



its 



, the 



lioie 







f 



calc^ 



^eoiis 



Sect. X. 7. i. 



MANURES 



221 



calcareous earth, with which I b 

 Mr. Tennant affared me a few day 



s frequently mixed. 



that he had analyfed 



For 

 the 



IS 



..ftone of Breedon in Leicefterlhire, and found it to contain nearly 

 much magnefia as calcareous earth, befides fome manganefe; which 

 neverthelefs a lime much efteemed in this country both for archi- 



As mao-nefia exifts in fea- water, and in lalt 



£lure and 



fprings, it may render thefe waters ufeful as a man 



ma 



fait, which they 



As fteatites or foap-ftone confifts 



principally of 



fia, perhaps this limefton 



f Breedon may b 



day ^i iiiag^iiv^wv*^ ^ ^ 



worth the attention ofthe poicelain manufaaory. 



This magnefian lime of Breedon is further worthy attention in th 

 cultivation of land, and particularly where a foil abounds with vitric 

 of iron, or where it abounds with gypfum,as about Chelaflon on th 

 banks of the Derwent, and from Nottingham to Newark on th 

 banks of the Trent, as the magnefian earth would unite with th 



d. and le 



chre of 



fe. and lime in th 



other ; at the fame time a foluble fait, called Epfom fait, would be 

 formed, which, according to the experiments of Dr. Home, promotes 



pid 



To fow a few pecks of gypfum reduced to powder 



on grafs land, as is done in America 



d th 



fow upon 



or thrice as much Breedon lime,, might be an experiment which 

 ini^ht be advantageous in the part of Derbyfhire next to Leicefler- 

 fhire,. where both of them are to be obtained at no great expence,. 



Vir. CLAY, METALLIC OXYDES, NITRE, SEA-SALT; 



The too great adhefion of the particles of argillaceous earth 



clay render 

 fibrils of ro 



pu 



flat 



fit for 



ith difficulty p 



vegetation 

 te it. whe 



as the tender 

 :e it becomes 



much improved for the purpofes of agriculture, when it is mixed with- 

 calcareous earth and with filiceous fand, as in marie. 



It is commonly believed that lumps of clay become meliorated by 



being 



