36 



Table 29. — .Icidity of Carrington silt loam soil as indicated by the Truog 

 method. 



neut. = neutral; v. si. = very slight; si. 

 str. ^ very strong. 



light; med. =: medium; str. = strong; 



Table jo. — Acidity of Fargo silt loam soil as indicated by the Truog method. 

 Field I Field II Field III Field IV Field V 



Table 31. — Acidity of Carrington loam soil as indicated by the Truog method. 



Table 32. — Acidity of Marshall silt loam soil as indicated by the Truog method. 



