FORMATION OF ASPARAGINE IN PLANTS. 



433 



POTATO (I.) 



ASPARAGINE NITROGEN. 



Plants in 



Dry matter 

 used in grams. 



Baryta water 03 

 replaced in c.c. 



Nitrogen found 

 in grams. 



Percentage of 

 nitrogen (| asp. 

 nitrogen. 



Ammonium nitrate . . 



Sodium nitrate 



Control plants 



Original plant, roots. 

 Original plant, stems. 



6-955 



5.981 



7.049 



2.097 



2-558 



55-8 

 55-4 

 30.8 

 31.2 

 27.8 

 28.4 



2-5 



2.3 

 2.6 

 2.7 



0.0527 

 0.0523 

 0.0290 

 0.0295 

 0.0263 

 0.0267 

 0.0024 

 0.0022 

 0.0025 

 0.0026 



0.76 



0.49 



0.38 



O.I I 



POTATO. (II). 



ASPARAGINE NITROGEN. 



Plants in 



Dry matter 

 used. 



Baryta -water* 2 ) 

 replaced. 



Nitrogen 

 found. 



Percentage of 

 nitrogen (£ asp. 

 nitrogen.) 



Ammonium phosphate 



Sodium Nitrate 



Control plants 



Grams. 



[ 1. 4-492 



[2. 1-797 



ji. 1. 156 



[2. „ 



I. 2.312 



2. 



c. c. 



8.7 



3-6 

 32 



3-3 

 6.9 

 7.0 



Gram. 

 0.0082 



0.0034 



0.0032 



0.0030 



0.0065 



0.0066 



0.19 



0.27 



0.28 



(1) 1 c.c. baryta solution =0.0009447 gram nitrogen. 



(2) 1 c.c. baryta solution =0.0009447 gram nitrogen. 



