488 
Philippine Journal of Science 
1920 
20 been repeated, they also would have shown discrepancies 
similar to the ones shown for series 15 and 16 and for series 
17 to 19. It is obvious that better control of non-solution con- 
ditions must be employed before such comparisons as the ones 
Tabe 5. — Relative dry yields of tops (six plants), from series with i-salt 
solution type A. 
[The value for culture TIRISI is always taken as unity and the others are expressed 
in terms of this. The actual value (grams) for this culture is given in parentheses below the 
assumed value of unity, in each case.] 
Solution No. 
Total con- 
centration 
0. 0008 
gram- 
molecule 
per liter, or 
0. 04 at- 
mosphere. 
Total concentration 
0. 0016 gram-molecule 
per liter, or 0. 08 atmos- 
phere. 
Total concentration 0. 0038 gram- 
molecule per liter, or 0. 2 atmos- 
phere. 
Total con- 
centration 
0. 0077 
gram- 
molecule per 
liter, or 0.4 
atmosphere. 
Series 14, 
June 19. 
Series 15, 
May 24. 
Series 16, 
June 19. 
Series 17, 
May 1. 
Series 18, 
May 24. 
Series 19, 
June 19. 
Series 20, 
June 19. 
TlRlSl 
1.00 
HI. 00 
HI. 00 
HI. 00 
HI. 00 
HI. 00 
HI. 00 
(0. 198) 
(0. 416) 
(0. 239) 
(0.354) 
(0. 420) 
(0. 243) 
(0. 226) 
S2 
0. 98 
HO. 98 
HO. 98 
HI. 02 
HO. 97 
0. 86 
0.73 
S3 
0. 99 
HO. 96 
HO. 96 
0.85 
HO. 94 
0.84 
0.73 
S4 
0.74L 
0. 90 
0.95 
HO. 89 
HO. 91 
0.79 
0. 69 
S5 
0.83L 
0.81L 
0. 85 
0.74 
0.80 
0. 68 L 
0.64 
R2S1 
1.04 
HO. 98 
HI. 02 
HO. 96 
HO. 96 
HO. 91 
HO. 82 
S2 
HI. 16 
HO. 94 
0.94 
0.87 
HI. 00 
0. 84 
HO. 88 
S3 
HI. 09 
HO. 92 
0.87 
HO. 93 
0. 77 
0.82 
0.71 
S4 
HI. 08 
0.88 
0. SOL 
HO. 92 
0.79 
0. 83 
0. 65 
R3S1 
HI. 08 
HO. 93 
1 HI. 00 
0.82 
0.82 
0.89 
HI. 04 
S2 
1.08 
HO. 93 
HO. 99 
0.80 
HO. 95 
HO. 95 
HO. 91 
S3 
0. 94 
0. SOL 
0. 87 
0. 74 
0. 88 
HO. 95 
0. 71 
R4S1 
1.00 
0. 88 
0. 92 
HO. 95 
0.90 
HI. 04 
HO. 93 
S2 
HI. 14 
0.80L 
0.87 
HO. 92 
HO. 94 
HO. 92 
0.74 
R5S1 
0.94 
0.79L 
0. 93 
0.80 
0.81 
0.76 
0. 68 
T2R1S1 
1.01 
HO. 97 
0.92 
0.81 
HO. 96 
HO. 97 
HO. 85 
S2 
0.90L 
0.91 
0.85 
0. 69 
HO. 95 
0.82 
0. 73 
S3 
0.86L 
0.86 
0. 83 L 
0.77 
0.74L 
0. 86 
0.65 
S4 
0. 78 L 
0.85 
0.80L 
0.62L 
0. 67 L 
0.61L 
0.68L 
R2S1 
0.93 
0. 89 
HO. 96 
0.84 
0. 79 
0.87 
0. 63 
S2 
HI. 11 
0.88 
HI. 17 
0.65L 
0. 77 
HO. 99 
0.73 
S3 
0.92L 
0.84L 
0. 68 L 
0.68 
0.73L 
0.72L 
0.61L 
R3S1 
HI. 16 
0.92 
0.89 
0.69 
0. 89 
0.72L 
0.77 
S2 
HI. 08 
0.87 
0. 91 
0. 66 L 
0. 87 
0. 75 
0.72 
R4S1 
1.03 
0.87 
0. 92 
0.72 
HO. 92 
0. 86 
0. 56 L 
T3R1S1 
1.02 
0. 90 
0. 90 
0.75 
0. 79 
0.47L 
0.70 
S2 
1.04 
0.75L 
0. 85 
0.62L 
0.67L 
0.71L 
0. 69 
S3 
0.86L 
0. SOL 
0. 74 L 
0. 54 L 
0.67L 
0.B8L 
0.35L 
R2S1 
HI. 14 
0. 82 L 
HI. 20 
0. 71 
0.86 
0.73L 
0.75 
S2 
1.03 
0. 87 
0.72L 
0.62L 
0.88 
0. 71 L 
0.53L 
R3S1 
HI. 21 
HO. 96 
0.92 
0.66L 
0.71L 
0.73L 
0.58L 
T4R1S1 
0. 94 
0.87 
0.72L 
0.61L 
0.70L 
0.79 
0.60L 
S2 
0.88L 
0.83L 
0.69L 
0.45L 
0. 64 L 
0.51L 
0.58L 
R2S1 
HI. 10 
0.87 
0.81L 
0.56L 
0.76L 
0.75 
0.53L 
TBRISI 
HI. 09 
0.88 
0.80L 
0.54L 
0.74L 
0 58L 
0.57L 
