Ammonium Sulfate
Ammonium Sulfate (NH4)2SO4
Ammonium sulfate represents only about 2% of total N fertilizer use in the United States. The main advantages of (NH4)2SO4 are low hygroscopicity and chemical stability. It is a good source of both N and S. The strongly acid-forming reaction of (NH4)2SO4 in soil can be advantageous in high-pH soils and for acid-requiring crops. Its use can be undesirable in acidic soils already in need of liming. The main disadvantage of (NH4)2SO4 is its relatively low N content (21% N); it is generally too expensive to use as a N source. It can, however, be an economical source of N when transportation costs are low, when it is a relatively inexpensive by product, and when it is used with crops requiring S.
BENEFITS OF AMMONIUM SULPHATE IN CONVENTIONAL AGRICULTURE
In the article we published on our website we mentioned that Ammonium Sulphate is one of the most practical nitrogen fertilisers to use.
It is an industrial component that, in addition to agriculture, is also used as a flocculant, which is a substance that induces the combination or aggregation of solid particles in suspension.
The flocculation process involves destabilising colloidal particles by adding the flocculant.
It also has all these industrial applications:
Acid solution purifier.
Glyphosate enhancer.
Flame retardant.
Food additive.
Protein purification through fractional precipitation.
Advantages for conventional agriculture
As regards conventional agriculture, ammonium sulphate has the following benefits:
Improves the organic content of the soil: ammonium sulphate provides a quantity of nitrogen in the form of nitrate, which improves the physical and chemical properties of the soil.
It favours the assimilation of nutrients by plants, as it helps to improve the availability of nutrients for plant development, improving their growth and production.
Increases drought tolerance: Ammonium sulphate increases the crop’s resistance to lack of moisture, due to its strong bactericidal and fungicidal properties.
Reduces the cost of foliar applications and improves the strength of growing plants.
Improves food quality, accelerating stem development and improving the appearance and taste of agricultural produce
Reduces pest damage lowering the incidence of pests by facilitating the absorption of the nutrients available in the soil.
Ammonium sulphate as a fertilizer
You already know that as a fertilizer:
It provides an optimal nutritional source, which is very easy to mix and use.
In hydroponic crops, its use is limited to a maximum of 15–20% of the total fraction of nitrogen, the remaining being nitric nitrogen.
Its production process is based on synthetic transformations and is therefore not covered by European organic farming regulations.
The form of Ammonium is quickly assimilated by each crop, although in large volumes it can become phytotoxic to the plant.
In addition, we remind you that there are three ways to apply it: superficial, which is distributed superficially by broadcasting and side dressing, by irrigation water, where its high solubility allows it to be used for fertigation and underground, which is applied in bands next to or under the seeds.
Plant Nutrients: Ammonium Sulfate Crop Fertilizer
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