FORMATION OF ASPARAGINE IN PLANTS 
433 
POTATO (I.) 
ASPARAGINE NITROGEN. 
Plants in 
Ammonium nitrate ... 
Sodium nitrate 
Control plants 
Original plant, roots... 
Original plant, stems... 
Dry matter 
used in grams. 
Baryta water (U 
replaced in c.c. 
Nitrogen found 
in grams. 
Percentage of 
nitrogen (§ asp. 
nitrogen. 
I- 6.955 
55-8 
0.0527 
) 
2. 
554 
0.0523 
( 0.76 
( i. 5 - 9 Sl 
30.8 
0.0290 
) 
1, „ 
31.2 
0.0295 
f 0.49 
( i. 7.049 
27.8 
0.0263 
1 0.38 
t, . 
28.4 
0.0267 
i. 2.097 
2-5 
0.0024 
) 
< 
2. ,, 
2-3 
0.0022 
> O.I I 
( i. 2.558 
2.6 
0.0025 
) 
Î 2. 
2.7 
0.0026 
> 0.10 
POTATO. (II). 
ASPARAGINE NITROGEN. 
Plants in 
Dry matter 
used. 
Baryta waterW 
replaced. 
Nitrogen 
found. 
Percentage of 
nitrogen (£ asp. 
nitrogen.) 
Grams. 
c. c. 
-Gram. 
(i. 4.492 
8.7 
0.0082 
) 
Ammonium phosphate 
\ 
y 0.19 
(2. 1.797 
3-6 
0.0034 
) 
(i. 1156 
3-2 
0.0032 
) 
Sodium Nitrate. 
\ 
y 0.27 
( 2. ,, 
3-3 
0.0030 
) 
f i. 2.312 
6.9 
0.0065 
Control plants .. 
\ 
>- 0.28 
(2. 
7.0 
0.0066 
) 
(1) I c.c. baryta solution =0.0009447 gram nitrogen. 
(2) I c.c. baryta solution = 0.0009447 gram nitrogen. 
