New York Agricultural Experiment Station. 421 



potash formulas. 



Potash Test Formula No. 1. 



Ingredients. Composition. 



Nitrate of soda 127 lbs. Nitrogen 4.0 per ct. 



Dried blood 500 lbs. Available phos. acid 8.0 per ct 



Acid phospbate ....:.... 1,000 lbs. 



Land plaster 373 lbs. 



2,000 



This formula furnished no potash, but the same amounts of 

 nitrogen and phosphoric acid as the L. I. Formula. 



Potash Test Formula No. 2. 



Ingredients. Composition. 



Nitrate of soda ; . . . 127 lbs. Nitrogen 4.0 per ct. 



Dried blood 500 lbs. Available pbos. acid 8.0 per ct. 



Acid phosphate : 1,000 lbs. Potash 3.5 per ct. 



Sulphate of potash . ... . 140 lbs. 



Land plaster 233 lbs. 



2,000 



This formula furnished approximately one-third the potash 

 contained in the L. I. Formula, and the same nitrogen and phos- 

 phoric acid. 



Potash Test Formula No. 3. 



Ingredients. Composition. 



Nitrate of soda 127 lbs. Nitrogen 4.0 per ct. 



Dried blood 500 lbs. Available phos. acid.... 8.0 per ct 



Acid phosphate ....:.... 1,000 lbs. Potash 7.0 per ct. 



Sulphate of potash 280 lbs. 



Land plaster 93 lbs. 



2,000 



This formula furnishes approximately two-thirds the potash 

 contained in the L. I. Formula and the same amounts of nitrogen 

 and phosphoric acid. 



