168 BOARD OF AGRICULTURE. [Pub. Doc. 



For 100 pounds of sulfate of ammonia, either 132 pounds of 

 nitrate of soda, 186 pounds of dried blood or 311 pounds of cot- 

 ton-seed meal. 



For 100 pounds of dried blood, either 71 pounds of nitrate of 

 soda, 54 pounds of sulfate of ammonia or 167 pounds of cotton- 

 seed meal. 



For 100 pounds of cotton-seed meal, either 43 pounds of nitrate of 

 soda, 32 pounds of sulfate of ammonia or 60 pounds of dried blood. 



For 100 pounds of dissolved phosphate rock, either 76 pounds 

 of dissolved bone-black or 33 pounds of double superphosphate. 



For 100 pounds of dissolved bone-black, either 131 pounds of 

 dissolved phosphate rock or 43 pounds of double superphosphate. 



For 100 pounds of double superphosphate, either 308 pounds of 

 dissolved phosphate rock or 235 pounds of dissolved bone-black. 



For 100 pounds of tankage, either 39 pounds of nitrate of soda 

 and 38 pounds of dissolved phosphate rock, 29 pounds of sulfate 

 of ammonia and 38 pounds of dissolved phosphate rock, 55 pounds 

 of dried blood and 38 pounds of dissolved phosphate rock, 91 

 pounds of cotton-seed meal and 38 pounds of dissolved phosphate 

 rock, 80 pounds of dry ground fish and 14 pounds of dissolved 

 phosphate rock, or 45 pounds of fine-ground bone and 33 pounds 

 of nitrate of soda. 



For 100 pounds of dry ground fish, either 48 pounds of nitrate 

 of soda and 31 pounds of dissolved phosphate rock, 37 pounds of 

 sulfate of ammonia and 31 pounds of dissolved phosphate rock, 

 68 pounds of dried blood and 31 pounds of dissolved phosphate 

 rock, 113 pounds of cotton-seed meal and 31 pounds of dissolved 

 phosphate rock, 80 pounds of tankage and 17 pounds of nitrate 

 of soda, or 36 pounds of fine-ground bone and 44 pounds of 

 nitrate of soda. 



For 100 pounds of fine-ground bone, either 13 pounds of nitrate 

 of soda and 85 pounds of dissolved phosphate rock, 10 pounds of 

 sulfate of ammonia and 85 pounds of dissolved phosphate rock, 

 18 pounds of dried blood and 85 pounds of dissolved phosphate 

 rock, 30 pounds of dissolved cotton-seed meal and 85 pounds of 

 dissolved phosphate rock, 33 pounds of tankage and 72 pounds of 

 dissolved phosphate rock, or 27 pounds of dry ground fish and 76 

 pounds of dissolved phosphate rock. 



For practical purposes, muriate and high-grade (48 to 50 per 

 cent) sulfate of potash may be substituted, each for the other, in 

 equal quantities ; in replacing either of these by low-grade sulfate 

 (double sulfate of potash and magnesia), double the quantity 

 should be used ; or in replacing either by kaiuit, four times the 

 amount should be used. 



