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The fertilizer is a fundamental element for the growth of plants, be they flowers, houseplants, fruit trees or vegetables. It is necessary, however, to know how to choose the right fertilizer for each type of plant.

Organic fertilizers

These are natural fertilizers, which are derived from a biological activity. The organic fertilizer is the most suitable for many types of cultivation: since it does not contain chemical elements, it must necessarily be used in organic cultivation. It is a type of fertilizer that is particularly suitable also for preparing the soil in view of a new sowing: it is quickly assimilated by the earth, and contains the fundamental nutrients for each type of plant. There are different types on the market. Manure is undoubtedly the best known and the most widespread, and comes from the excrement of farmed animals, which are processed to obtain this compound, suitable for many types of plants. Manure is indeed versatile, and is used mainly in agriculture. Another organic fertilizer is the cornunghia, which derives from the processing of horns and nails of slaughtered animals. It favors the development of plants because it improves the state of the soil, and for this reason it is mainly used in orchards and in agricultural crops. But the cornunghia is also suitable for houseplants and lawns. Another fertilizer widely used for vegetable gardens and orchards (especially during soil preparation) is borlanda, which is produced by processing sugar beet waste, and is found in various forms: from grains to the liquid one. Fertilizers whose use is more complicated, as they require a meticulous dosage, are the manure and the guano: while the first is obtained from the excrement of the chickens, the second is produced starting from the droppings of seagulls and other birds that live on the sea. Both are used for gardens, orchards and vegetable gardens. Bone flour is recommended especially in the cultivation of ornamental plants: it is however to be avoided for plants that do not bear calcium. One of the most effective fertilizers in agriculture is blood meal (which contains a lot of nitrogen).

Mineral and organo-mineral fertilizers

Mineral fertilizers are chemical fertilizers, that is, they are obtained from compounds processed on an industrial level. Also in this case, you can easily buy them in specialized shops, based on the needs of the plants that we need to fertilize. But organo-mineral fertilizers are also very widespread, that is they derive from chemical and organic fertilizers processed together, thus forming a new compound, which combines the typical characteristics of organic fertilizers with the chemical elements necessary for a correct plant development and preparation. of the soil that has the desired success. They are recommended for different crops, as they contain more nutrients than organic-derived fertilizers, and have greater efficiency than strictly chemical ones. They can be purchased in different forms, both liquid, solid and granular. In this way, it will be possible to also choose the fertilizer delivery method. Naturally, since they are chemical compounds, it is necessary to pay close attention to the dosage, following the recommendations of the manufacturers: some of these fertilizers, in fact, can even alter the composition of the soil.

How to choose the right fertilizer

If there is a large cultivation, the fertilizer should be chosen based on the nutrients naturally present in the soil. If the soil is too calcareous, for example, fertilizers with a high calcium content must absolutely be avoided. To know the elements present in the fertilizers, it is possible to consult the packaging (it is a legal requirement to accurately report the doses of the chemical elements that make up the fertilizer) or ask for advice directly from the seller.
Of course, it is also possible to choose the most suitable fertilizer based on the type of plant we need to fertilize. If we are not experts in the field and we are afraid of making serious mistakes, we can therefore buy specific fertilizers, which are sold for certain types of plants. So you can buy fertilizers for succulents, for geraniums, for fruit trees ... Basically, organic fertilizers are suitable for every type of need, and manure (one of the most widespread) is also suitable for garden and apartment plants .
The fertilizer can also be chosen on the basis of its consistency: there are many solid fertilizers, which have a prolonged release over time, and it is sufficient to place them on the ground to obtain the desired effect. They are especially indicated for potted plants, as the soil that must be fertilized is limited compared to what a field can be. Fertilizers must, however, be given to plants only at certain times of the year and their life cycle: this is another aspect to which attention must be paid. Usually, in winter we tend not to fertilize the plants, because this would cause a stunted growth of new twigs, leaves and shoots.