Table 3 Summary of five treatments used for the two replicate greenhouse growth and production experiments GP1(first replicate experiment) and GP2 (second replicate experiment), including additional positive control (F) in GP2 experiment.
Treatment | Soil Additions | Replicates | Added Solution | Experimental replicate including treatment | |
|---|---|---|---|---|---|
A | Control | — | 20 | Water | GP1, GP2 |
B | −P Control* | — | 20 | Plant-Prod 14-0-14 | GP1, GP2 |
C | HA (15 ppm P) | 32.4 mg of HA | 20 | Plant-Prod 14-0-14 | GP1, GP2 |
D | nHA (15 ppm P) | 32.4 mg of nHA | 20 | Plant-Prod 14-0-14 | GP1, GP2 |
E | nHA (56.5 ppm P)** | 153 mg of nHA | 20 | Plant-Prod 14-0-14 | GP1, GP2 |
F | Soluble Pi (+P control) | — | 5 | Plant-Prod 20-20-20 | GP2 |