Urea

It can be used as raw material for other fertilizers. It is advisable to take into account the prescription of an Agronomist based on an adequate and timely analysis of the soil or leaf tissue.

Urea, in its original form, does not contain ammonia (NH + 4), however, it is rapidly hydrolyzed by the effect of the enzyme "urease" and by soil temperature. In bare soils and with surface applications of urea, a percentage of ammonia (NH3) is lost by volatilization. Urea, when hydrolyzed, produces ammonia and bicarbonate. Bicarbonate ions react with soil acidity and increase the pH in the area near the reaction site of this fertilizer (application band). Once the urea has been converted to ammonia (NH + 4), it is absorbed by the clays and organic matter in the soil, and finally the ammonia is nitrified or directly absorbed by the plants.

Nitrogen (N) is an essential nutrient for plant growth, it is a constituent part of every living cell. In plants, nitrogen is necessary for the synthesis of chlorophyll and, as part of the chlorophyll molecule, participates in the process of photosynthesis. Nitrogen (N) is also a component of vitamins and energy components of plants, it is also an essential part of amino acids and therefore it is a determining factor for the increase in protein content in plants. A plant deficient in nitrogen (N) cannot make optimal use of sunlight, so its ability to photosynthesize is affected and, consequently, its ability to use and absorb nutrients, limiting proper growth and development . of the plants.

Urea is the cheapest source of highly concentrated nitrogen (N). It is a fertilizer that has a wide variety of uses and applications. It is an essential component to produce balanced fertilization formulas. It can be applied to the soil directly as a single product, it can be incorporated into balanced physical mixtures, and due to its high solubility in water, it can function as a nitrogen supply in foliar NPK formulas, for use in highly soluble fertigation and in fertilizers. liquids In the case of foliar applications of Urea, it is very important to use Biuret-free Urea, with a content not higher than 0.25%. Biuret or Carbamyl Urea is a condensation product resulting from the decomposition by thermal effect of Urea. Biuret is phytotoxic in applications to foliage (foliar) only, not when applied to the soil.

It should be stored in a dry, ventilated place to avoid excessive dust. Do not pack directly on the ground, it must be done on dry pallets. Don't leave it outdoors. It must be separated from organic materials and other substances such as oxidants, flammable liquids, acids and fuels. Its storage should not exceed 6 months.

Transport in vehicles with bodywork or a tent that protects the product from the rain. The vehicle must be clean and free of moisture. Avoid placing combustible or flammable objects on the bags. Avoid bags coming into contact with sharp objects.

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