Field Experiments with Fertilizers. 



327 



Plat (S) 

 Stable Manure, 



Plat (NP) Plat (P) Plat (N) 



Nitrogen Phos. Ac. d. PJws. Acid. Nitrogen. 



Plat (K) Plat (KP) Plat (KN) P^rtiJ (NPK) Plat (Blank) 



Potash. Potash Potash Nitrogen No Fertilizer. 



PhoSs Acid. Nitrogen. PJios. Acid Potash. 



62. — Mr. Stewart harvesting corn fodder for the silo. Each shock represents the 



yield from one sq. rod of each plat. 



