Pl.-dCKKDINfiS ol'' SkVKXTKKNTTI Nc)RI\[AI. iNSTrrUTE 1-1 



On the basis of 2, 000, 000 pouiuLs of soil per acre (8 iiiclies 

 deep) these soils contain from 35,000 ponnds K^O in sample 3 

 to G3,200 ponnds K:;0 in sample 5. To render a portion of this 

 potash available the following means may be considered : 



(a) Tlic action of decaying organic matter. 



(b) The action oi' lime. 



(c) 'J'he action of other fertilizerss. 



