Earlij Efforts 



223 



claimed heaths and mar- 

 shes, but also on ordinary 

 arable soils. It was con- 

 ceivable that the intro- 

 duction of bacteria into 

 reclaimed marsh soils 

 might prove highly bene- 

 ficial. It vi'as otherwise 

 with clayey, loamy, or 

 sandy soils in which legu- 

 mes had grown at one 

 time or another. Was 

 the inoculation of such 

 soils likely to yield 

 increased returns? A 

 partial answer to this 

 question was given by 

 experiments carried on 

 in Germany in 1889, 

 1890, and 1891. 



Soils of various de- 

 scriptions, including 

 clayey, loamy and 



Fig. 37. The effects of a more or less 

 thorough inoculation. 



