Organic fertilizer

Organic fertilizer

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The organic fertilizer, also called organic, is a fertilizer present in nature composed exclusively of substances of animal, vegetable or mixed origin, that is, partly vegetable and partly animal.

Organic fertilizer, the advantages
The organic fertilizer performs two important functions:

  1. nutrient that serves to allow the growth of plants through the supply of fundamental nutrients such as nitrogen, phosphorus and potassium
  • structural that serves to improve the quality and fertility of the soil, making plants healthier and more resistant to diseases.

Organic fertilization has major advantages over chemical fertilization:

  • supports humus and other organic components of the soil
  • improves the soil structure
  • allows the release of nutrients in a slower and more natural way
  • prevents the erosion of the land responsible for desertification
  • it helps to limit soil moisture, reducing stress due to excessive humidity.
  • it limits the extensive drainage of soluble nitrogen and phosphorus, with consequent eutrophication of the water, which causes the death of the fish.

Organic fertilizer, types
THE organic fertilizers of animal origin are manure, zootechnical sewage, dried blood of slaughtered animals while those of vegetable origin are compost, wood ash, pomace. Finally, among the mixed fertilizers, there is the compost if it also includes animal remains and droppings.
Between organic fertilizers most used we find the compost that derives from the transformation and organic fermentation of waste and waste materials.
The compost it is obtained by composting remains of fruit and vegetables, dried leaves and flowers, remains of wood, coffee, ash and animal excrement, taking care not to add remains of plastic, bones, rubber, synthetic materials, coal ash or vacuum cleaner bags .
After about six months, the compost it can be used as an organic fertilizer to fertilize potted plants and vegetables and to prepare the sowing soil and after a year to improve the structure of the soil and to enrich it with humus.

Video: Top 6 Worst and 6 Best Garden Fertilizers (June 2022).