12 GRASS GROWING FOR PROFIT 
set the phosphoric acid free from its natural insoluble 
combinations. 
Grass seems to demand less phosphoric acid than 
was applied in the test; but it responds with increas- 
ing profit to applications of Nitrate of Soda up to 
200 pounds to the acre when potash and phosphates 
are present in abundant available forms. 
Preparing Land after Clearing and Plowing for Grass 
Growing. 
Clearing and Reclaiming Lands. 
In recent years, dynamite has come to be gen- 
erally used for the preliminary clearing and reclaim- 
ing of land, and especially for the shattering and pul- 
verizing of rocks and the removal of stumps. Mod- 
ern tools and machinery, such as the disk-harrow and 
