MULBERRY-DWARF TROUBLES IN JAPAN. 1 85 



Average composition of leaves. 







Healthy. 



Diseased. 



Ratio. 



Moisture 74-87 



70.88 



100 : 



94.7 



Dry matter 25.13 



29. T 2 



100 : 



116.0 



In 100 parts of dry matter, 







Crude proteids 3 l -4-7 



25.76 



100 : 



81.8 



Crude fats 4.42 



3.80 



100 : 



86.0 



Crude fibres 10.00 



8.14 



100 : 



81.4 



Nitrogen-free extracts 47-97 



57.60 



100 : 



120.0 



Ash (free from carbon and 









sand) 8.52 



775 



100 : 



91.0 



Total nitrogen 5.02 



4.12 



-* AA 



100 : 



ol.o 



Albuminoid nitrogen 3.85 



3.34 



1 Art • 



10U : 



00. b 



Non-albuminoid nitrogen 1.17 



0.78 



1 Art . 



1UU : 



bb.b 



In 100 parts of ash (free from carbon and 



sand), 





Si0 2 2.68 



3-Q3 



100 : 



113.1 



S0 3 3- 1 3 



3-09 



100 : 



97.2 



P,0 5 12.48 



12.69 



100 : 



101.6 



K a O 27.15 



25.05 



100 : 



92-3 



CaO 26.63 



28.09 



100 : 



105.5 



MgO 10.15 



12.25 



100 : 



120.6 



Average composition of stems. 







Healthy. 



Diseased. 



Ratio. 



Moisture 80.14 



78.68 



100 : 



98.2 



Dry matter 19.86 



21.32 



100 : 



107.3 



In 100 parts of dry matter, 



Crude proteids 13.51 1543 100 : 1 14.2 



Crude fats 1. 50 2.26 ioo : 151.0 



Crude fibres 49.16 43.64 100 : 88.8 



