Urea is the most important nitrogenous fertilizer in the market, with the highest Nitrogen content (about 46 percent). It is a white crystalline organic chemical compound. Urea is neutral in pH and can adapt to almost all kinds of soils. It is a waste product formed naturally by metabolizing protein in humans as well as other mammals, amphibians and some fish. Urea is widely used in the agricultural sector both as a fertilizer and animal feed additive.
Urea Fertilizer (46%N) (Indorama) is an inexpensive form of nitrogen fertilizer with an NPK (nitrogen-phosphorus-potassium) ratio of 46-0-0. Although urea is naturally produced in humans and animals, synthetic urea is manufactured with anhydrous ammonia. Although urea often offers gardeners the most nitrogen for the lowest price on the market, special steps must be taken when applying urea to the soil to prevent the loss of nitrogen through a chemical reaction.
When urea is placed on the surface of the soil, a chemical reaction takes place that changes the urea to ammonium bicarbonate. The ammonium will convert into a gas, which is then lost if not protected. This means that urea should be mixed in with the soil for maximum effectiveness. This may be done either by broadcasting the urea then plowing it into the soil immediately or by injecting the urea into the soil. This may also be done by broadcasting urea then irrigating heavily to push dissolved urea into the soil.
The main function of Urea fertilizer is to provide the plants with nitrogen to promote green leafy growth and make the plants look lush. Urea also aids the photosynthesis process of plants. Since urea fertilizer can provide only nitrogen and not phosphorus or potassium, it’s primarily used for bloom growth.
Advantages of Urea Fertilizer (46%N) (Indorama) Fertilizer
Superior Nitrogen content
Low production cost, as source is natural
Non-flammable and risk-free storage
Wide application range, for all types of crops and soils
Neutral pH and harmless to crops and soil
How to Use Urea Fertilizer?
Urea should be applied at the time of sowing. It should not come in contact with the seeds. It also can be applied as a top dressing.
Since Urea is highly Nitrogen-concentrated, it should be used in combination with earth or sand before its application.
Urea should not be applied when the soil contains free water or likely to remain wet for three or four days after application.
Tips of Blending Urea with Other Fertilizers
Urea can easily be blended with Mono-ammonium Phosphate (MAP) or Di-ammonium Phosphate (DAP). However, Urea must not be mixed with any superphosphate unless applied immediately after blending as Urea reacts with superphosphate liberating water molecules. This will produce a damp material that is hard to store and apply.
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