Leonard Humic Acid (the salinity fighter) contains a very high level of humic acid (70%) and fulvic acid (15%), so it plays an effective role in the following:
Physical Effects:
- Reduces salinity in irrigation water and soil.
- Increases the water-storage capacity of sandy soils.
- Improves aeration in compacted (heavy) soils.
- Provides an ideal seedbed for sowing and young seedling growth.
Chemical Effects:
- Converts various nutrients into forms the roots can absorb.
- Raises the soil's cation exchange capacity.
- Transforms calcium salts and prevents them from binding with other nutrients.
Biological Effects:
- Stimulates plant cell division and promotes vegetative growth.
- Increases seed germination rate and vigor.
- Activates root growth.
- Stimulates beneficial microorganisms in the root zone.
Composition (from label):
- Humic acid: 70%
- Fulvic acid: 15%
- Potassium oxide (K₂O): 8%
- Solubility: 99%
Directions for Use (from label):
- Open-field vegetables: 1–1.5 kg/ha, 3 applications per season starting from planting.
- Standard greenhouses: 150 g per greenhouse (500 m²), 3 applications per season starting from planting.
- Wheat, alfalfa, forage crops and corn: 1–1.5 kg/ha, 3 applications per season starting from planting.
- Fruit trees and date palms: 1–1.5 kg/ha, twice during the season starting from flowering.
- Compatibility: do not mix with acidic materials such as phosphoric acid or urea phosphate.
Specifications:
- Trade name: Leonard Humic Acid
- Net weight: 1 kg
- Manufacturer: Saudi Delta Company for Chemical Industries