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University of California Publications in Agricultural Sciences [Vol. 3 



Loss on 

 Ignition 



Humus 



14 15 16 19 20 22 23 24 25 Soils 



Fig. 18. Graph showing the loss on ignition, the amount of humus, and 

 the percentages of calcium, magnesium, and potassium in the nine samples of 

 Hanford fine sandy loam. 



