THE COMPOSITION OF THE SOIL 131 



ceiving no organic manure, and therefore poor in partially 

 decomposed organic matter, get into so sticky and "un- 

 kindly" a state that the young plants have some difficulty 



in surviving however much food is supplied, and may fail 

 altogether if bad weather intervenes in the spring (as in 1908 

 and 1911); the dunged plots which are rich in this group 

 are much more favourable to the plant and never fail to give 



9* 



