Ammonium sulfate is an inorganic compound with the chemical formula (NH4)2SO4. It has a wide range of commercial uses, being an important soil fertilizer. The substance contains 21% nitrogen from the ammonium cation and 24% sulfur from the sulfate anion.
Synthetic ammonium sulfate is a sulfuric nitrogenous substance. Nitrogen, which is found in mineral plant supplements, is vital for all crops. Sulfur is one of the main nutrients for agricultural plants, it is a part of amino acids and proteins. In terms of its role in plant nutrition, sulfur is in third place, and the first are traditionally attributed to nitrogen and phosphorus. A large amount of sulfur in plants is represented by salts of sulfuric acid, which is why, due to its characteristics, ammonium sulfate is indispensable.
Ammonium in its composition is characterized by low mobility, availability and is not washed out of the soil. Therefore, it makes sense to use ammonium sulfate solution not only as the main fertilizer, but also as a spring feeding. Due to the low sulfur content in the soil, the effectiveness of dressings containing phosphorus, nitrogen and potassium is seriously reduced. Timely application of ammonium sulfate (granular, crystalline) gives excellent results in areas where rapeseed, potatoes, cereals, sugar beets are grown.
The lack of sulfur in cereals on an industrial scale is interpreted as a sign of nitrogen deficiency. By using ammonium sulfate on arable land, it is possible to simultaneously eliminate the lack of sulfur and nitrogen and, as a result, improve the quality of agricultural products.
Ammonium sulfate (N 21%, S 24%)
This sulfate, also called sulfur or ammonium salt, is a chemical fertilizer that meets nitrogen needs and also increases the availability of phosphorus and micronutrients. , thus allowing the correct growth of plants. It is composed of ammonium and sulfur as sulfate, which has an acidic pH, so it is advisable to apply it on calcareous and clay soils.
Ammonium sulfate has 21% ammoniacal nitrogen and 24% sulfur in the form of sulfate . Its physical appearance consists of fine solid crystals of white, beige or gray color.
It is a fertilizer that has several benefits for our plants. These are the following:
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- It has sulfur in the form of sulfate, which is the only form that plant roots can immediately absorb.
- Increases crop profitability.
- It contains nitrogen and sulfur, essential nutrients for the formation of chlorophyll.
- It can be mixed with other fertilizers.
Usage:Ammonium sulfate (N 21%, S 24%)
If we consider which plants should be fertilized with ammonium sulfate first, the use of fertilizer is advisable for the following crops:
1. with a special need for sulfur – rapeseed and buckwheat, corn, various types of cabbage, wheat and sunflower;
2. preferring nitrogen in the form of ammonium instead of nitrate – sugar beet and potatoes, a variety of fodder crops;
3.which shows a high yield on slightly acidic soils – for flax, tea, tomatoes, carrots and zucchini, radishes and pumpkin, parsley and sorrel, radishes and turnips, as well as raspberries and currants.The use of fertilizers is recommended in spring and autumn – so the substances in the composition will be evenly distributed in the soil. In addition to being used as the main fertilizer, ammonium sulfate is excellent for seasonal fertilization, provided that the machines that distribute the composition on the field are carefully adjusted.
Recommendations for use: Ammonium sulfate (N 21%, S 24%)
It is recommended to follow the following rules and methods of working with ammonium sulfate, depending on the needs of certain crops.
Ammonium sulfate (N 21%, S 24%)
Composition
Dosage
- -Spring rape. Maintaining cultivation – up to 80 kg / ha simultaneously with potassium and phosphorus fertilizers. During budding – 40 kg / ha, at the end of flowering – up to 10 kg / ha as part of foliar dressing with copper, boron, manganese.
- -Buckwheat. During pre-sowing cultivation – 60–80 kg/ha simultaneously with potassium and phosphorus fertilizers.
- -Corn. Soil cultivation presentation – up to 120 kg / ha with potassium, phosphorus and various organic fertilizers. In the process of thinning between rows in the phase of 6 true leaves – up to 50 kg / ha.
- -Spring cereals (barley and wheat, millet, oats). Cultivation prescription – from 60 to 80 kg / ha simultaneously with potassium and phosphorus fertilizers.
- -Potatoes. Cultivation before planting – from 80 to 100 kg / ha in parallel with organic fertilizers, potassium and phosphorus.
- -Meadows. First application in spring, when the growing season begins – up to 80 kg/ha, then – every time after grazing.
- -Fruit growing. Raspberries and currants – up to 60 g/m2, other berry and fruit crops – up to 50 g/m2.
- -Vegetable growing. Based on one m2, the following standards are recommended: white and cauliflower – 60 and 45 g each, red cabbage and broccoli – 75 and 45 g, kohlrabi and Brussels sprouts – 40 and 60 g, respectively, radish – 35 g, radish – 30 g, turnips – 25 g, sorrel and parsley – 40 g each, carrots, pumpkin and zucchini – 35 g each, tomatoes – up to 45 g, other vegetables – up to 50 g.
BENEFITS