Table 1.
Main components of products tested in the lettuce trial.
| Tropical plant extract enriched | Vegetal-derived protein | Vegetal-derived protein hydrolysate | |
|---|---|---|---|
| Class of compound | with micronutrients (PE) | hydrolysate (PH) | enriched with copper (Cu-PH) |
| Phytohormones (mg kg-1) | Auxins (1.81) | ND | ND |
| Cytokinins (0.29) | |||
| Organic nitrogen compound (g kg-1) | Amino acids and peptides (51.9) | Free amino acids and peptides (310) | Free amino acids and peptides (150) |
| Vitamins (g kg-1) | Niacin (3.3) | ND | ND |
| Vitamin C (1.0) | |||
| Vitamin E (0.4) | |||
| Thiamine (0.3) | |||
| Pyridoxine (0.3) | |||
| Riboflavin (0.2) | |||
| Micronutrients (g kg-1) | Fe-EDTA (6.0) | Traces | Cu-complexed with amino acids and peptides (90) and traces of other micronutrients |
| Mn-EDTA (6.0) | |||
| Zn-EDTA (4.0) | |||
| Cu-EDTA (2.0) | |||
| B-H3BO3 (4.0) | |||
ND = not detected.