30 GRASS GROWING FOR PROFIT 
per acre, not only was the aftermath, or rowen, much 
improved, but in the subsequent seasons, with noth- 
ing applied to the plots, a decidedly marked effect 
was noticed, even on old meadows. This speaks very 
Hay Caps for Protecting Hay While Curing. 
well indeed for Nitrate of Soda not leaching out of 
the soil. The readily soluble elements are the readily 
available elements. The natural capillarity of soils 
doubtless is, in most instances, a powerful factor in 
retaining all readily soluble elements of fertility both 
during and after the season of growth. 
If this were not so, all the fertility of the world 
in our humid regions would, in a season or two, run 
into the ocean, and be permanently lost. 
This is mentioned on account of certain critics 
having taken the trouble to object to the use of 
Nitrate on the grounds that it would leach away. 
