[Vo 
L. 7 
324 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
TABLE III 
GROWTH OF WHEAT IN SOLUTIONS OF RELATIVELY INSOLUBLE SALTS. THE 
GROWTH py elo REPRESENT 8 PLANTS: PERIOD "v : ip RE 
DAYS; VOLUME OF CULTURE SOLUTION, 890 
Concentration Pu 
Cult. Total |Gr.wt.|Gr.wt.| /— 1. 
Nö: Salts used gr. wt tops | roots 
1 I gms. | gms. | gms. na. | Pin. 
5 gm. CaS0,+2H:0 | 
5 gm. FePO,+4H:0 l 
1 |1.0 gm. Mg:(PO:):+8H:0 111.20| 6.58 | 4.62 | 7.0| 7.8 
40 cc. NO; 
.5 gm. CaSO.+2H:0 
1.0 gm. | Sol. ferric phosphate | 
2 |1.0gm. Mgs(PO,)2+8H:0 1 10.20| 6.01 | 4.19 | 8.0) 7.9 
40 cc. KNO; 
5 gm. CaS04+2H:0 | 
.5 gm. FeP0,+4H:0 
3 .5 gm. MgCO; | 1 9.86| 5.79 | 4.07 | 9.0| 7.6 
40 cc. KNO; j 
.5 gm. CaS0,4-2H;0 | 
1.0 gm. Sol. ferric phosphate 
4 .5 gm. MgCO; | 1 13.47| 8.85 | 4.62 | 8.8) 8.0 
40 cc. KNO; 
5 gm. CaS0,+2H:0 
5 5 gm. FePO,+4H:0 1 2.40| 1.42 .98 | 7.1| 6.4 
5 gm. MgNH,PO,4-6H;O 
5 gm Ca80,--2H:0 | 
5 gm FePO,4-4H:;O 
6 .5 gm. MgNH,PO,4-6H;O 1 12.90| 7.72 5.18 | 6.9 7.4 
40 cc. Os 
.5 gm CaSO,+2H.0 
7 | 1.0 gm. Sol. ferric phosphate ¢ | 1 5.85| 2.62 | 3.23 | 7.3) 7.3 
5 gm. MgNH,PO,+6H:0 
5 gm. CaSO,+2H:0 
1.0 gm. Sol. ferric phosphate 
8 .5 gm. MgNH,PO,+6H:0 1 20.72| 12.05 | 8.67 | 8.1| 7.2 
40 cc. O; 
1.0 gm. | 1.0 gm. Cas(PO4)2 | 
5 gm. 5 gm. | FePO,--4H;O 1 2.08| 1.28 .80 | — | 7.6 
9 40 ecc. | 20cc. | MgSO,+7H.O n 8.83| 5.77 | 3.06 7.4 
40 cc 20 cc. | KNO, j 
1.0 gm. 1.0 gm. Cas(PO4)2 
1.0 gm.| 1.0 gm. | Sol. ferric phosphate 1 1.64| 1.11 .53 | 8.01 7.7 
10 40cc. | 20 cc. |MgSO,--7H;O m 2.32| 1.72 .60 7.4 
40 ce. | 20 cc. JKNO; | 
