Gardening

Sulfur in agriculture

Features

Sulfur is a pesticide of natural origin which is commonly referred to with the chemical symbol «S». The properties of sulfur have been well known since ancient times and date back to the time of the Greeks who used it, in the agricultural sector, to eradicate the so-called «white disease». To be truly sulfur, it must necessarily have a percentage of purity equivalent to at least 78% and must absolutely not contain selenium, an element considered extremely harmful both to humans and animals. Where the sulfur is not pure, we speak of «calcium polysulphide», mainly used as an insecticide or simply «sulphate», used as a fertilizer and essential to protect crops from the most common diseases.

Main uses


Sulfur in agriculture is one of the most widely used elements. The use is well differentiated and essentially aims to combat different types of problems. First of all it is the main remedy of the «white disease» regardless of the type of fungus that is the cause. Powdered sulfur, in particular, is mainly used with preventive functions. This very important natural element also slows down the red spider and has, in general, repellent effects towards the majority of existing insects. Sulfur does not work as a systemic fungicide because it does not penetrate the vegetable tissue, but acts directly on the fungus, dehydrating it and blocking its breathing, eliminating oxygen and replacing it. This is how the mushroom is doomed to death,

Formulations available


Sulfur is available in many formulations: mainly in powder, wettable or liquid formulation. Powdered sulfur includes crude sulfur, refined sulfur, vented sulfur and activated sulfur. The most incisive of all is certainly the latter type. Not surprisingly, it is used for the most rooted problems. The so-called «wettable» sulfur can be made in both powder and granules. It must simply be diluted with water for a real liquid treatment. Within this category there are common wettable sulfur, colloidal sulfur, micronized sulfur, benthic sulfur. The sulfur in liquid formulation is, in many cases, concentrated and characterized by a great ease of use, since it is ready for use.

Sulfur in agriculture: Warnings and advice


Sulfur in agriculture is therefore widely used in its most disparate formulations. The application is possible on any type of plant, as long as it is placed in the open air. The application of sulfur is highly discouraged in apartments while it is possible in greenhouses. In any case, however, it is absolutely essential to be very careful with the doses indicated on the packaging of the various products. Doses, times and methods must be absolutely respected. Powdered sulfur is more suitable for application on plants infested with white sickness and is quite persistent. The wettable one often has a preventive character while liquid sulfur, due to its simplicity of use, is particularly suitable for plants found on balconies and terraces.

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