64 ROYAL SOCIETY OF CANADA 



tentive of moisture, but also in producing a more favourable condition 

 for root extension, thus enlarging the foraging ground of our crops. 



As has been said, the results here recorded have been taken from 

 a large number obtained in this research on the economical improvement 

 of soils. They are fairly 'representative and do not in the least exag- 

 gerate the benefits to be derived from the adoption of this plan of 

 maintaining and increasing soil fertility through the growth of legumes. 



