Iron fertilizer, liquid foliar fertilizer

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Like humans, plants need iron. With them, iron ensures that their leaves turn green, so there is a lack of iron through pale and yellow leaves.
This deficiency can be compensated by an iron fertilizer, however, with the application of this fertilizer great care should be taken, because the contained in this fertilizer ferrous sulfate is extremely toxic and should therefore be used only with appropriate protective clothing. Likewise, it does not make sense to use iron fertilizer for other purposes such as moss control on lawn. Important information was provided by the ARD magazine Plusminus, which broadcast its contribution to iron fertilizers in May 2012.
-> to the video contribution of the ARD
Iron fertilizer as foliar fertilizer
In general, it is true that plants need enough iron for their healthy growth. When asked by Plusminus, however, the Federal Environment Agency announced that German garden soils usually had enough iron and additional fertilization was therefore superfluous. But anyone who suspects iron deficiency in his plants can have a soil sample examined from his garden, which is nowadays possible without much effort over the Internet.
Iron fertilizer for moss control
Although Plusminus reported that iron fertilizer is often sold as a lawn moss killer in DIY stores, the use of this product is associated with such major health risks that it should be better avoided. The ferrous sulfate contained in the iron fertilizer forms sulfuric acid on contact with liquid, which is irritating and corrosive to the skin and respiratory tract. It is therefore totally unsuitable for lawns where children and pets play, and even adults should not walk on lawns that have been fertilized with iron in the days following fertilization. In addition, when using this fertilizer, wear protective clothing consisting of a suit, face mask, goggles and gloves to avoid direct contact with this product. Another problem with iron fertilizer is that it leaves brown spots on plates that can not be removed anymore.
Alternatives to iron fertilizer
In order to prevent moss formation, a grass seed called shade of shade should always be used for shady areas on which a green area is to be planted. These seed mixtures consist of grass varieties that also manage with less light. On areas that are in the shade all day long, however, these seed mixtures will hardly thrive any more, so groundcovering is more suitable for greening these areas.
In principle, grass can also prevail against weeds and moss alone if it grows on a loose and nutrient-rich soil. To support it, it should be supplied with a lawn fertilizer. If moss has already formed on the lawn, these fertilizers are available in combination with a moss killer. Although these combined products often contain the poisonous ferrous sulfate, but in a much lower concentration than pure iron fertilizer.
The fact that moss and weeds grow on the lawn instead of blades of grass can also be due to an acidic soil with a low pH. This pH can be increased by lime, but in this case, too, it makes sense to examine the soil in advance. This survey can be done by any garden owner even with small test strips from the trade.
Anyone who does not shy away from physical labor can remove the moss with a rake or a scarifier. The best time for this is the spring, in a strong moss vegetation, the process can be repeated again in the fall. Scarifying not only removes moss and weeds, but also aerates the roots of the lawn so that it can thrive again.

Video Board: Foliar Feeding and Fertilizing your plants - Benefits and the science.

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