Iron (Fe) is an essential trace element for all plants. Without iron, a plant cannot produce chlorophyll, it cannot get oxygen, and it will not be green. Iron helps transport important elements through a plant’s bloodstream. In an optimal crop it is important that the plant contains enough iron.
For moderate deficiency: 0.75 ml per 1 liter.
For moderate deficiency: 1 ml per 1 liter.
In the case of severe deficiency: 2 ml per 1 liter.