430 



SUZUKI ; 



YELLOW LUPINE. 



ASPARAGINE NITROGEN. 



Plants in 



Dry matter 

 used in 

 grams. 



Baryta 

 water (') re- 

 placed in c.c. 



Nitrogen 

 found in 

 grams. 



Ammonium phosphate. 



Urea 



Sodium nitrate 



Control plants 



Original plants 



1. 148 



1.829 

 1. 38 1 

 O.919 

 1.873 



3-7 

 1 1.6 

 11.4 



S- 2 

 5- 2 

 2.0 



19 



3-8 

 3.6 



0.0036 

 O.0035 



OOIIO 



0.010S 

 0.0048 

 0.0048 

 0.0019 

 0.0018 

 0.0036 

 0.0034 



MELIA JAPONICA. 



ASPARAGINE NITROGEN. 



Plants in 



Dry matter 

 used in 

 grams. 



Baryta 

 water ( 2 ) re- 

 placed in c.c. 



Nitrogen 

 found in 

 grams. 



Ammonium phosphate 

 Ammonium chloride . 



Sodium nitrates 



Control plants 



Original plants 



I. 



4.568 



30 



2. 





3-2 



I. 



4.368 



4.0 



2. 





3-7 



I. 



4-373 



2.7 



2. 





27 



I. 



4.420 



1.2 



2. 





13 



I. 



4673 



1.1 



2. 





'•3 



0.0067 



0.0082 



0.0058 



0.0028 



O.C026 



(1) I c.c. of the baryta solution = 0.0009447 gram nitrogen. 



(2) 10 c.c. of the standard sulphuric acid were equivalent to 64 c.c. baryta solution 

 and yielded 0.572 gram barium sulphate. Hence 1 c.c. baryta solution = 0.002148 gram 

 nitrogen. 



