LEGUME INOCULATION AND THE LITMUS REACTION OF SOILS. 7 



much lime or how much manure should be applied to a given .field. 

 Empirical determinations, such as must be made in each region for 

 new fertilizers, are the onh' rehable guides. 



Table 1 1 .—Relation between the litmus reaction of soil and the inoculation of alfalfa with 



pure cultures of nodule bacteria. 



LITMUS REACTION RED. 



Locality. 



Union Star, Mo 



Boaz, Ala 



Laurel Hill, La 



Calhoun, Tenn 



Jones, Tenn 



Ferryman, Md 



Toccoa, r.a 



Okeinah, Okla 



Bowling Green, Mo. 

 Edgerton, Kans 



Kinil of soil. 



Marshall . 

 do... 



Loess . 



Cumberland plateau or pure limestone. 



Miami 



Piedmont 



Marshall 



Residual or loess. 



LITMUS REACTION FAINT PINK. 



Susquehanna, Pa 



Angola, Ind 



Odenville, Ala 



Timber Valley, Wash.o 



LITMUS UNCHANGED. 



Convent, La , 



Mansfield, Mo 



Mt. I^aurel, Va 



Philadelphia, Pa., 

 Kendall ville, Ind. 

 Forest Hill, Md... 



Baxter, Ark 



Monroeville, Ind . 



Bel Air, .Md 



Vienna, Va 



Fredonia, N. Y. . 

 Colfax, La. 



Leesburg, Va 



New Cambria, Mo 



Rome, Ga 



New Uaven. Ind 



Holly Bluff. Miss 



Derwood, Md 



Union City, Pa 



Bristow, Va 



Union Star, .Mo 



Sulphur Springs, Ark . 



Kendallvillo, Ind 



Decatur, Ind 



Okemah, Okla 



Mississippi flood plain. 



Siliceous limestone 



Piedmont 



Dekalb 



Miami 



Piedmont 



Alluvial 



Marshall 



Piedmont 



do. 



Dunkirk or Volusia. 



Central clay. 



Marshall 



Hagerstown. 

 Miami 



Piedmont. 

 Volusia. .. 

 Piedmont. 



Siliceous limestone . 

 Marshall ., 



LITMUS REACTION BLUE. 



Putnev, Vt 



Elkridge, Md 



Morris Plains, N. J. 



Brevard, N. C 



Goodloe, Va 



Rienz.i, Miss 



Pamplin City, Va.. 

 Hollidaysbui-g, Pa. 



Bryantown, Md 



Sterling, Ark , 



New England. 



Thin glacial 



Piedmont ( Porters) 



Piedmont 



Calcareous prairie (Houston). 



Piedmont 



Hagerstown 



Coastal 



Mississippi bottom 



l;r nil of 



iuocular 



tion. 





 

 

 

 

 

 

 

 

 



Volusia, thin glacial. 

 Miami or Marshall . . 

 Dekalb or limestone 

 Prairie— 27 inches. . . 





 

 



+ 



+ 

 + 

 -f 

 + 

 + 

 + 

 + 



+ 

 + 

 + 



+ 

 + 

 + 

 + 

 + 

 + 

 

 

 

 

 



+ 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 + 



a \lfalfa had been planted five vears before and the stand was very poor. .\t the time the sample was 

 taken the field was inoculated bymi.xing the culture with soil, and in a part of the field it was harrowed in. 



[Cir. 71] 



