Food for 

 Plants 



Grass. 



1. Product of one square foot 2. Product of one square foot 



of ground in field yielding over of ground in adjoining field 



three tons per acre of cured (not fertilized with Nitrate of 



timothy hay fertilized with Ni- Soda) yielding one ton per acre 



trate of Soda. 



of cured hay. 



Highland Experimental Farms, New York. 



