134 AGRICULTURE. 



EXHAUSTION OF FERTILIZERS. (Scotch Authority.) 

 ON CULTIVATED CLAY LOAM. 



Kind of Fertilizer. 



Lime 



Bone meal 



Phosphatic guanos 



Dissolved bones and plain superphos- 

 phates 



High-g^rade ammoniated fertilizers, 

 guano, etc , 



Cotton-seed meal 



Stable manure 



Per Cent remaining in the 



Soil Unexhausted at 



End of Each of First 



Six Years. 



ON CULTIVATED LIGHT OR MEDIUM SOILS. 



Lime 



Bone meal 



Phosphatic guanos 



Dissolved bones and plain superphos 



phaie 



High-grade ammoniates, guanos 



Cotion-seed meal 



Stable manure . . 



ON CULTIVATED PASTURE LAND. 



Lime 



Bone meal 



Phosphatic guanos 



Dissolved bone, etc 



High-grade ammoniated guanos 



Cotton-seed meal 



Stable manure 



Sulfate of ammonia, nitrate of soda, sulfate, nitrate, 

 and muriate of potash are generally held to be entirely 

 exhausted by the crops grown the season of their applica- 

 tion. 



