46 FOOD FOR PLANTS 



shown by the North Carolina experiment just men- 

 tioned but by many others the world over. 



Early Versus Late Applications of Nitrate of Soda 

 to Cotton. 



The following figures of averages prove positively 

 that early applications of Nitrate of Soda to cotton 

 give the best results. 



1919-1920-1921-1922 



Average increase of 23 early applications, 1919.. 90.22% 

 Average increase of 15 late applications, 1919... 42.02% 



Average increase of 8 early applications, 1920 

 Average increase o£ 4 late application^ 1920. 



Average increase of 7 early applications, 1921 

 Average increase of 2 late applications, 1921 . 



Average increase of 38 early applications, 1919- 



1921 115.21% 



Average increase of 21 late applications, 1919- 



1921 31.27% 



April 1-May 11, inclusive, are "Early" applications. 

 May 12-June 26, inclusive, are "Late" applications. 



Average increase of 165 early applications, 1922.. 61.37% 

 Average increase of 80 late applications, 1922... 49.0 % 



Date of Division: Early — Planting Time. 



Late — Two weeks after planting, 

 and later. 



197.35% 

 35.50% 



61.44% 

 16.30% 



What Nitrate Has Done in the Planters' Own Hands. 



H. F. Lyle, Somerville, Alabama: 



"Plot with Nitrate produced 207 lbs. Cotton. Plot with- 

 out Nitrate produced 87 lbs. Cotton. 



