14 MUCK CROPS 



Organic Nitrogen Phosphoric Potash 



matter acid 



Sea shore "muck" 77.3 0.69 0.16 0.62 



Decomposed sphagnum.. - 0.87 0.12 



Mussel mud - 0.32 0.16 1.06 



True peat 81.9 0.34 



Drift on lake shore 2.07 0.25 0.19 



Soil from dyked marsh.. 2.45 0.24 0.28 



