244 



MANURES. 



I 



table nutriment, which could be derived from 



fh 



left from a 



Sect. X. 1 1. 5. 



the fmall quantity of 

 load of burnt-ftraw, with that which would 

 arife from the fame quantity of ftraw mixed with fome animal re- 

 crements, and n^ade into a manure heap. A flill greater diminution 

 of ufeful manure would be made by burning {havings or r; 

 horn, or woollen rags, or hair, or fle(h ; as a nutritive mucilage 

 would be thus decompofed into its elements, which might otherwife 

 have been gradually diflblved beneath the foil, and abforbed by the 

 roots of vegetables nearly in an unaltered flate ; as jellies and mu- 



fpings of 



cilage are known to be drank 

 when drank in too great abund 

 their urine. 



p by the ladeals of animals ; ai 

 ice, to appear almofl unchan2;ed 



d 



It mull: hence appear, that the numerous fi 



f 



\ 



city, if 



fupplied with wood inftead of coals, as in Paris, muft very much im 



poverifli 



part of the country which fuppl 



not only 



the neceffity of ufing large trads of land for the growth of fire-wood 

 but alfo becaufe fo fmall a part of 

 provident adage of general 



man 



Th 



anim 

 mals 



5» 



benevolence, " Burn nothing which any 



that is, .*' Burn nothing which 



may nourish 



by its digeftion in their ftomach 



May not th 



fam 



ben 



volent idea be extended to the vegetable world, and fay, " B 



thing which may nourifh vegetables by its flow decompofition be- 

 neath the foil, which conftitutes their ftomachs.'* 



5. It may be a matter of ufe as well as of curiofity to afcertain the 

 fituations and circumftances moft favourable for promoting the fpon- 

 taneous decompofition of vegetable fubflanccs ; which may confifl: 

 perhaps in the due quantity of air, water, and heat, with a fufficient 

 proportion of animal fubftances, and finally an admixture of lime to- 



rd 



the end of the procefs 



I. In 



covered with an arch of brick 



very ftrong door, I 



d clofed with a 



obferved, that a deal fhelf 



inch 



in 



cknefs was decayed, fo as to fall down with fome wine bottles 



ii, 



