THE CHEMICAL COMPOSITION OF SOILS 



105 



HUMIC PHOS 

 PHORIC ACID 



Grams 



HUMIC 

 POTASH 



Grains 



Cow manure humus : 



In original manure and soil 1.17 



In final humus product (after humifica- 



tion) 1.62 



Gain in humic forms 0.45 



Green clover humus : 



In original soil and clover , 2 i 



In final humus product ^ ~. 



Gain in humic forms 0.53 



Meat scrap humus : 



In original meat scraps and soil ... j o - 



In final humus product x jg 



Gain o.n 



Sawdust humus : 



In original sawdust and soil .... 0.85 



In final humus product 0.78 



Oat straw humus : 



In original straw and soil 1 .02 



In final humus product 1.03 



Wheat gliadin humus : 



In original gliadin and soil I occ 



In final humus product i 220 



Gain 0.165 



Egg albumin humus : 



In original albumin and soil .... I>OI 



In final humus product j.jj 



Gain o.io 



i. 06 



1.27 

 0.21 



0.67 

 0.70 



2.42 

 2.41 



0.19 

 O.24 

 0.05 



O.2O 

 O.24 

 O.O4 



