AGRICULTURE WITH CHEMISTRY. 



205 



CULTIVATION OF SOREL, V/ITH A VIEW TO THE 

 PRODUCTION OF OTHER MORE VALUABL E CROPS; 



It does not appear that any farmer has cultivated, or 

 that any writer has recommended the growth of those 

 plants to be promoted, which seem indigenous to any 

 particular soil, with intention of rendering such plants 

 of use in the future produdlion of grain, or the rich 

 herbage upon svhich cattle feed. 



It is no uncommon pradlice to sow buck wheat, tares, 

 and other green crops, for the sole purpose of ploughing 

 them in ; thus providing the ground with a proportion 

 of yr«A vegetable matter, at times when other manure 

 cannot be procured, and also promoting the dissolution 

 of the inert vegetable matter contained in the soil by 

 the stagnation of air, and by the retention of humidity, 

 occasioned by the close cover and shade these crops af- 

 ford. 



Judicious as this process in many cases may be, of en- 

 couraging the growth of certain vegetables, with a view 



of 



