MULBERRY- DWARF TKOUBLHS IN JAPAN. 20J 



The following table shows the decreased percentage of 

 nitrogen in the dry matter. 





1 a kasuke. 



T 1 1 



I 11 limn 1 1 

 | U 1 1 I' M 1 J 1 . 





in the bark of roots 



i fie 0/ 





0.87 



Totil nitrogen 













' „ stems 



1.6s 



1.16 



1. 14 





„ roots 



0.70 



O.6I 



°-37 



Albuminoid nitrogen 













' ,, stems 



0.78 



O.85 



0.99 





,j- ~ roots 



0.95 



O.Sl 



0.50 



Non-albuminoid nitrogen - 













„ stems 



0.84 



O.3I 



0.15 



Let us now try to see how much nitrogen was contained in the 

 leaves and the new stems on May 18 and 28 respectively, viz. 

 at the time of the full development of leaves. 





Takasuke 

 (May 18.) 



Turuta 

 (May 28.) 



[umonji 

 (May 28.) 



Nitrogen in the new stems 



leaves 



Sum total 



i-33° g 

 •3-340 „ 

 14.670 „ 



1.782 g 

 16.210 ,, 

 17.992,, 



1-150 g 

 12.640 „ 

 13.790,, 





The quantity of nitrogen transported from the roots and 

 stems to the leaves is : — 





Takasuke. 



Tsuruta. 



Jumonji. 





6.31 g. 



5 65 g. 



3.95 g. 



