Hubert M. Morris 299 



MANURED PLOT CONTROL PLOT 



1" 



I'-3' 



3"-5- 



5"-7' 



7--9" 



r 



r-3" 



5'-7" 



7"-9" 



r 



r-3" 



3'-5- 



5'-7- 



3. g. 1,781,143 



1,010,10) 



INSECTA 



EXCEPT FORMICIDAE 



"MYRIAPODA" 



OLIGOCHAETA 

 (TERRICOLAE) 



1,794,611 



878,787 



457,912 



7'-9' 



1" 



r-3- 



3--5- 



5'-7' 



531,986 



i 



I 



ACARINA 



215,488 



7' 9' 



Depth No. per acre No. per acre 



Fig. 7. Distribution in depth of the more important groups in the manured and control plots. 



