FOOD FOR PLANTS 59 



Reports on Experimental Work on Maize Ensilage. 



1918. 

 Crop — Maize Ensilage. 



Variety — Half State Corn; Half Gold Nugget. 

 Location — Chenango County, New York. 

 Soil — Bottom land. 

 Cultivations — Three. 



Climate — Short season; high altitude, 1,000 feet. 

 Weather — Cool; latter part of summer, drought. 

 Date of Application of Fertilizer — July 5, 1918. 

 Date of Harvesting — September 16, 1918. 

 Size of Plots — ^ acre. 

 Rate of Application per Acre — 250 lbs. Nitrate of Soda; 



400 lbs. Acid Phosphate. 

 Fertilizers Used — Nitrate of Soda and Acid Phosphate. 

 Cost of Fertilizer per Acre — Plot 1, $12; plot 2, $8; plot 



3, $4. 



Crop in Pounds per Acre. 



TABLE NO. I 



Rate of Kate of 



Application Yields Crop Yields 



Plot Nos. per Acre per Plot per Acre 



1. Nitrate of Soda 250 lbs. 7,120 lbs. 28,480 lbs. 



and 



Acid Phosphate 400 lbs. 



2. Nitrate alone 250 lbs. 6,610 lbs. 26,440 lbs. 



*3. Acid Phosphate alone 400 lbs. 6,030 lbs. 24,120 lbs. 



4. Check — nothing 6,290 lbs. 25,160 lbs. 



Pounds per Acre of Essential Fertility Removed by Crop. 



TABLE NO. II 



Plot Nos. Phosphoric Acid Potash Nitrogen 



1. Nitrate of Soda and Acid 



Phosphate 38.45 lbs. 91.99 lbs. 46.28 lbs. 



2. Nitrate alone 34.64 lbs. 82.76 lbs. 42.97 lbs. 



3. Acid Phosphate alone 33.29 lbs. 81.53 lbs. 39.20 lbs. 



4. Check — nothing 37.24 lbs. 94.35 lbs. 40.89 lbs. 



* Acid Phosphate alone appears to have diminished the crop here as it 

 did in the case of our sugar cane in Porto Rico. 



