Natural fertilizers

Natural fertilizers: the cornunghia

Obtained by grinding and drying the horns and nails of animals discarded in slaughterhouses, cornunghia is a natural fertilizer used since ancient times in the cultivation of fields. It is a fertilizer capable of releasing, over time, the nutrients necessary for plants and the soil, making it fertile in a natural way. It mainly contains nitrogen and phosphorus; as far as potassium is concerned, it is contained in negligible quantities and, consequently, the nail horn is often enriched with potassium salts.It is the ideal fertilizer for fertilizing decorative plants, gardens, vegetable gardens and even orchards. the fragment; if you want to use it before sowing, it will have to be spread on the ground before hoeing.

Natural fertilizers: guano

Guano is obtained from the excrement of seabirds and, like the hornbill, is an absolutely ecological and natural fertilizer. South America, Chile and Peru in particular, have large stocks of this fertilizer; it is composed of a large amount of phosphorus and a smaller, although not insignificant, amount of nitrogen. It is a fertilizer not recommended in all those areas where heavy or torrential rains are frequent, as these phenomena can lead to a dilution of the nutrients in the soil, with consequent nullification of fertilization. It can be purchased in the form of grains and, usually , it is recommended to use it for the cultivation of vegetable gardens and orchards; it can also be used with satisfaction in a common garden. It is possible to find, in specialized shops,

The lithotamnio

Among the various types of natural fertilizers, we also find lithotamnio. It is produced by drying and grinding Lithotamnium calcareum, a red alga present in the deep waters of the Atlantic Ocean; specifically, this alga is present in abundant quantities in the seas of Brittany. Lithotamnium calcareum is a calcareous alga and, consequently, the fertilizers obtained through its grinding contain a large amount of calcium and magnesium. It is ideal for the cultivation of ornamental plants which, often, may require a soil with an acid pH. Furthermore, another advantage of this fertilizer is its ability to keep away insects and parasites that could compromise the health of the plants. It can be purchased in specialized stores in the form of powder.

The droppings and the still

Finally, among the various types of natural fertilizers that we could come across on the market, we find manure and stillage. The first, obtained through the sterilization of chicken and turkey droppings, contains small quantities of nitrogen (in the form of ammonia and uric acid) which often lead to it being discarded compared to other fertilizers that are able to guarantee a greater supply. Furthermore, the ammonia contained in this fertilizer could damage the health of the plant roots and, consequently, it is good that it is always used in small quantities, without overdoing it. As for the stillage, on the other hand, it is obtained from the molasses produced from sugar beets. It contains abundant quantities of potassium but, despite this, the quantities of phosphorus are often minimal; on the amount of nitrogen, on the other hand, there is nothing to complain about. It can be used in the fertilization of orchards and vegetable gardens and can be purchased both in liquid form and in grains.

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