34 



FIELD EXPERIMENTS WITH NEW MINERAL FERTILIZER 

 AND STONEMEAL. 



The field experiment begun in 1913 to establish the actual worth 

 of New Mineral Fertilizer and Stonemeal as fertilizers, was, as planned, 

 continued during the summer of 1914. It was thought best to 

 rotate the crops and to note the effect of a lime application to the 

 Stonemeal and New Mineral Fertilizer plats. The crops employed 

 were corn, following potatoes, potatoes following oats and oats fol- 

 lowing corn. The field was ploughed during the fall of 1913. The 

 field work connected with the experiment was in charge of Mr. E. F. 

 Gaskill, assistant agriculturist of the experiment station. The de- 

 tails of the experiment were as follows: 



Corn Experiment (following potatoes). 



Seven one-fortieth acre plats were devoted to this crop and re- 

 ceived fertilizer at the following rates per acre: 



Fertilizer Schedule. 

 1913 1914 



Plat 8 No fertilizer 



„ , / No fertil 

 \ Lime 



ilizer 

 2 Stonemeal 



{ = 



{ 



Stonemeal 

 Lime 



^ Lime 

 Manure 

 Nitrate of soda 

 Tankage 



Basic slag phosphate 

 H. G. sulfate of potash 

 Acid phosphate 



New Mineral Fertilizer 



New Mineral Fertilizer 

 Lime 



1 ton 



1 ton 



1 " 

 1 " 



On May 18th the manure was spread and disk-harrowed. On 

 May 19th the lime and fertilizers were applied as per schedule and 

 thoroughly worked in with an Acme harrow. On May 21st, Davis 



