
Lettuce planted in clay soil (30% clay) irrigated with the aid of a pivot
was treated with Amino Stim at an application rate of
90L / Ha. Leaf analysis
reveal that some nutrient concentrations increased in the Amino Stim application.
Amino Stim contain organic fulvic acid and amino acids.
| Treatment | N | K | Ca | Mg | Cu | Zn | Mn |
| (%) | (ppm) | ||||||
| Control | 2.83 | 4.65 | 0.73 | 0.26 | 8 | 47 | 67 |
| Amino Stim | 3.17 | 6.14 | 0.85 | 0.30 | 13 | 62 | 81 |