SIL FE ZN is a silicon fertilizer with iron and zinc designed especially for extensive crops. It is presented as an immunity activator and biostimulant that supports natural plant defense systems while stimulating growth and development.
The formulation supplies readily absorbed silicon together with iron and zinc. The source links silicon with stronger cell walls and positions the product for adverse growing conditions, including drought and other abiotic stresses, as well as periods of biotic pressure.
Key product information at a glance.
| Composition | % w/v |
|---|---|
| Silicon (SiO₂) | 18.00 |
| Iron (Fe) | 2.00 |
| Zinc (Zn) | 2.00 |
SIL FE ZN combines 18% silicon as SiO₂ with 2% iron and 2% zinc. The source states that its silicon is easily absorbed by plants, helping strengthen cell walls and stimulate vital plant processes.
The technical document positions SIL FE ZN as part of a plant stress-control strategy and describes it as an immunity activator/biostimulant with preventive/curative action, optimal miscibility and a low treatment rate of 0.5 L/ha for foliar programmes.
Application Guidance: Foliar: apply at critical stages of growth and development every 10-14 days. For expected periodic water shortages, make at least one treatment before the shortage and then 2-3 treatments every 5-7 days. Crop-specific foliar dose is 0.5 L/ha, with water volume adjusted by crop group. Soil: irrigate 3-6 times during the vegetative period with a 0.1% solution (100 ml/100 L water).
| Crops | Timing | Dose | Notes |
|---|---|---|---|
| All suitable crops | During the vegetative period | 0.1% solution (100 ml/100 L water) | Irrigate plants 3-6 times during the vegetative period. |
| Crops | Timing | Dose | Notes |
|---|---|---|---|
| Cereals | At critical times for plant growth and development; repeat every 10-14 days | 0.5 L/ha | 2-4 treatments. Water volume: 200-300 L/ha. For periodic water-shortage risk, make at least one treatment before the expected shortage, then 2-3 treatments every 5-7 days. |
| Trees | At critical times for plant growth and development; repeat every 10-14 days | 0.5 L/ha | 2-4 treatments. Water volume: 500-1000 L/ha. For periodic water-shortage risk, make at least one treatment before the expected shortage, then 2-3 treatments every 5-7 days. |
| Horticultural crops | At critical times for plant growth and development; repeat every 10-14 days | 0.5 L/ha | 2-4 treatments. Water volume: 400-600 L/ha. For periodic water-shortage risk, make at least one treatment before the expected shortage, then 2-3 treatments every 5-7 days. |
SIL FE ZN is intended for extensive and other crops requiring support under adverse growing conditions, especially drought and other abiotic stresses. The source also positions it for limiting the impact of biotic stress, stimulating root growth in young plants and supporting yield, quality and storage parameters.
The source states that SIL FE ZN has optimal miscibility but does not provide specific compatible or incompatible products.
SIL FE ZN is a silicon fertilizer with iron and zinc, presented as an immunity activator and biostimulant for extensive crops.
It contains 18% silicon as SiO₂, 2% iron and 2% zinc on a % w/v basis.
It is used to support plant resilience under adverse growing conditions, root development, crop yield, quality and storage parameters.
Yes. The source specifically lists increased tolerance to drought and other abiotic stresses among its actions.
The source states that it helps limit the influence of biotic stress caused by pathogens and/or pest attack.
The documented foliar dose is 0.5 L/ha for cereals, trees and horticultural crops.
Use 200-300 L/ha of water.
Use 500-1000 L/ha of water.
Use 400-600 L/ha of water.
Apply at critical growth stages every 10-14 days. Before an expected water shortage, make at least one preventive treatment and then 2-3 treatments every 5-7 days.
Yes. Irrigate 3-6 times during the vegetative period with a 0.1% solution, equivalent to 100 ml of product per 100 L of water.
SIL FE ZN is available in 0.5 L, 1 L, 5 L, 10 L, 20 L and 1000 L formats.

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