T7Uk 



Table I 



Land Crops 



Sv/ine (Cultivated Land) 450 lb. per ocre per year' 

 Cattle (Grass Land) 5-250 lb. per acre per year' 



Oyster Bottoms 



Chesapeake Boy 600 lbs. per acre per year i 

 Washington State 



20 coses ofseed per acre 

 _x I 5 go I. per cose yield 

 300 Qol. per ocro yield 



X 8^ lbs. per gol. 



2400 lbJ3. por acre yield 



•r 3yoars per crop = 800 Ibo. per cere 



per year 



Floating Oyster Culture 



Japan 16,000-64,000 lbs. per acre per year '^ 2 



1 Ponol on Ocoonographyj IS66 



2 Qiiaylo, 1956 



