28. 



Higher numbers come down rapidly, nowever. Here a 

 situation seems to exist which is comparable to that 

 nl.nf! IT "^'"^tode. Only a few of the many host 

 ll^f'^'^^^^^^^f-^^on numbers. So investigation 

 of soil samples from the light sandy areas in the 

 western part of the Netherlands shows St only 

 Where strawberries were growing or had been growing 

 very recently somewhat higher numbers of the nema^ 

 tode were found. On all other fields these nmbers 

 othL'h7.'°r- /^-tation in strawberriel a™ some 

 other host Plants occurs very generally in this area. 



n^r..-^^''" ""^^^ ^*®"' nematodes there seems to be a 



?ilSrin?'* fr^-" "'^"^ ^" P^°^^^ly cUfferent for 

 different soils and is independent of cropping prac- 



