Sect. V. Agriculture and Vegetation. y 3 



SECT. V. :. 



Of vegetables in an intire and in a corrupted 

 Jlate^ and of dunghills. 



WE come next to treat of thofe ma- 

 nures which are drawn from the 

 vegetable kingdom. All vegetables, unlefs 

 fome noxious ones, nourifh plants. Malt- 

 duft is reckoned a good manure. Bark 

 of trees, and faw-duft, are recommended 

 by fome writers. We learn from Columella 

 that the ancients laid the lees of their olive 

 oil on the ground, and found it of great 

 benefit. And, indeed, it is not to be won- 

 dered at, that the juices of vegetables al- 

 ready concocted, mould prove a nourimment 

 to other vegetables. But it requires much 

 time, before thefe can be reduced to Ib 

 fmall parts, and fo duTolved, as to be ca- 

 pable of entering the minute veflels of plants. 

 This is moil expeditioufly and moil effec- 

 tually performed by the means of corrup- 

 tion. Hence we may fee the reafon, why 



the 



