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What are the benefits of using ammonium sulfate fertilizer?
Ammonium sulfate offers many other agronomic advantages over other fertilizer technologies: Lower sensitivity to nitrogen losses from leaching, volatilization and denitrification. Higher nutrient efficiency. Contains sulfur that is readily available to plants.
What are the disadvantages of ammonium?
Disadvantages of ammonium sulfate fertilizer at a glance. 1. It can lead to the formation of high concentrations of salts in the soil. Applying too much fertilizer on agricultural land can lead to this toxic combination.
Which plants benefit from ammonium sulfate?
Ammonium sulfate and soil pH If you want to grow acid-loving plants, such as blueberries, artichokes or potatoes, lowering the soil pH can significantly improve your crop and the overall health of your plants. Ammonium sulfate has a pH of 5.5, and the sulfur it contains will help a little.
What are the benefits of ammonium?
One of the advantages of quaternary ammonium disinfectants is that they do not damage clothing and carpets like oxidizing chemicals do. They are also non-corrosive to metal pipes and other surfaces.
Are quaternary ammonium salts harmful?
In addition to harming bacteria, quaternary ammonium salts are lung irritants and can cause asthma and other breathing problems. They can also irritate the skin - and can cause rashes. (This is one reason why antibacterial wipe packaging strongly recommends washing hands after use.
Does ammonium sulfate turn grass green?
Ammonium sulfate provides easily available nitrogen and sulfur to your lawn. It helps lawns turn green quickly, helps cold soils, and is relatively inexpensive.
Is ammonium sulfate good for plants?
As a water soluble fertilizer, ammonium sulfate is widely used in crop production because it provides effective nitrogen and readily available sulfur that helps plants grow. By adding general value to alkaline soils, this fertilizer is essential for maintaining healthy soils and vigorous crop growth.
Is ammonium sulfate harmful to plants?
A: Ammonium sulfate is nitrogen, and as such is important in almost all gardening activities we engage in. But it can be bad if used in excess, especially because ammonium sulfate is a chemical fertilizer, and they are more likely to burn plants from overuse than organic fertilizers.
What is the shelf life of ammonium sulfate?
Ammonium sulfate contains 21% nitrogen and 24% sulfur and can be used as a granular and liquid feed, making it a mineral fertilizer product for both cool and warm season lawns. Its effect lasts four to six weeks.
Is ammonium sulfate bad for dogs?
After application, be sure to water the ammonium sulfate well enough so that dogs can not eat any clumps. Keep dogs away from the lawn until it dries out.
What are the disadvantages of ammonium sulfate fertilizer?
Disadvantages of ammonium sulfate. Ammonium sulfate used as a lawn fertilizer has the disadvantage of producing high levels of acidity in the soil. "With the same acidity formed by other common N (nitrogen) carriers, it requires about 2 to 3 times as much lime to neutralize the same amount of acidity," says a report by The Ohio State University Extension ......
Is it safe to use ammonium sulfate in soil?
Ammonium sulfate fertilizers are not recommended when repeated applications and long-term solutions are needed to improve soil health. They can create a buildup of dangerous chemicals and toxins that can be life-threatening in some cases.
What are the advantages and disadvantages of ammonium nitrate?
Compared to other nitrogen fertilizers, ammonium nitrate is more environmentally friendly. The disadvantage of ammonium nitrate is that it can cause respiratory irritation by inhalation, which can be dangerous. Contact with fire can be dangerous as it is also used in explosions. Traffic is slightly difficult.
What can I use instead of ammonium sulfate?
Ammonium sulfate and urea (livestock urine) are two nitrogen substitutes used as home lawn fertilizer products.
Ammonium sulphate is not just a fertiliser used in agriculture.
It is an industrial component also used as a flocculant, which is a substance that encourages flocculation, i.e. the combination or aggregation of suspended solid particles.
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.
WHAT IS AMMONIUM SULPHATE?
Ammonium sulphate is a salt formed by the reaction between Ammonia and Sulphuric acid. Commercially, it can be found in white to beige crystals or granules.
Its content is as follows:
It is the most accessible source of low-concentration Nitrogen, is widely used in agriculture, and is also a relevant component in the production of balanced fertilisation formulas.
It is widely applied directly to the soil as a single product
, is an excellent source of fertilisation
in crops which extract large quantities of sulphur from the soil,
such as forage crops, vegetables (cruciferous vegetables, onions and garlic), cereals (wheat and barley) and grasses (maize, sorghum and sugar cane), among others.
It mainly contains Ammonium (NH
4+) and Sulphate (SO
4-2), and it is an acid pH product that is recommended for application in limestone and alkaline soils due to its strong acidifying effect.
Its use as a fertiliser is due to the fact that the need for sulphur is closely related to the amount of nitrogen available for the plant. Therefore, Ammonium Sulphate provides a balanced supply of both nutrients.
In conventional agriculture, it is still used en masse, especially for less profitable crops and as an important source of Nitrogen accompanied by Sulphur, a precursor in its assimilation.
It is therefore not an organic fertiliser, as its process is obtained through synthetic transformations and, as such, is not covered by European organic farming regulations.
In the field, it is known as a good fertiliser used in both extensive and intensive crops with a dual action, as it provides two macronutrients added to its Sulphur content that promotes the physical and chemical conditions of the crop soils.
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Optimising the dose and application to crops in the soil, Ammonium Sulphate is a very good source of supply of this element, and is easy to mix and use.
The form of Ammonium is usually quickly assimilated by crops, although in large volumes it can become phytotoxic to the plant.
In fact, in hydroponics, its use is limited to a maximum of 15-20% of the total fraction of Nitrogen, the remaining being 80-85% Nitric Nitrogen.
Inorganic soil sulphur is absorbed by plants mainly as anion Sulphate and, due to its negative charge, it is not attracted by soil clays and inorganic colloids;
Sulphur remains in the soil solution, moving with the water flow and, therefore, is easily leachable
. In some soils, this leaching accumulates Sulphur in the subsoil, making it usable by deep-rooted crops.
The risk of leaching is higher in sandy soils than in clay-textured soils.
Soils with low organic matter content (<2%) commonly have Sulphur deficiencies, and every one percent of organic matter releases approximately 6 kg of it per ha per year.
In plants, Nitrogen and Sulphur have a very close relationship in their nutritional role.
This is because both nutrients are constituents of the 5 proteins (amino acids) and are associated with the formation of chlorophyll (involved in the photosynthesis process).
OBTAINING PROCESS
The obtaining of Ammonium Sulphate as an industrial product is the transformation of Gaseous Ammonia (NH3), mixed with water vapour to create saturation, and the incorporation of Sulphuric Acid.
This controlled reaction is transformed into the mixture of Sulphur (SO4) and Ammonium (NH4), which, because it is attacked with an acid, one more Hydrogen (H) is added to the formula.
CHEMICAL PROPERTIES
All the Nitrogen in this fertiliser is presented in ammoniacal form.
Although it is highly digestible by the plant, it should preferably be absorbed in nitric form.
Its behaviour in soil is good and, because it has a positive charge, it is fixed in the clay-humus complex and does not leach so much to deep fields (as the nitric form does).
The presence of nitrifying microorganisms (nitrobacter and nitrosomonas, among others) facilitates its transformation to nitric.
As it has an acid reaction, it is used to acidify soils with an alkaline pH and a high presence of non-soluble Calciums and Magnesiums.
In addition, the Sulphur incorporated into the fertiliser improves the availability of Nitrogen and has a synergistic effect in its assimilation.
TYPES OF AMMONIUM SULPHATE
- Powdered Ammonium Sulphate: Its presentation is in solid form, but in easily soluble powder.
Its application is very frequent and is suitable to prepare liquid solutions in Fertirrigation.
Because it is highly soluble, this fertiliser must always be applied as top dressing, i.e. when we already have crops planted.
- Liquid Ammonium Sulphate: This is highly soluble, but less so than other fertilisers such as Ammonium Nitrate.
There are cases in which farmers prefer to work with already soluble liquid formulas of Ammonium Sulphate.
A concentrated formula would be to dilute up to 40% of the fertiliser for a Nitrogen concentration of 8.4% w/w and Sulphur concentration (SO3) of 24% w/w
- Granulated ammonium sulphate: Its main characteristic is that it is slowly soluble and used in pre-seeding or in tree crops.
When water cannot be incorporated through fertirrigation (period of rainfall or puddling).
It contains the same richness as any other formula, and its contribution to crops such as almond, olive or fruit trees is quite common, especially at the time of budding and the development of new leaves.
BENEFITS FOR CROPS
- It is a cheap source of nutrients.
- It allows for more uniform solid mixtures with other granulated products.
- It is very versatile in its application, both in time (spring, summer, etc.) and in soil types.
- It supports rapid growth, crop yield and profitability.
- It is very environment-friendly, protecting aquifer environments and reducing nitrate washing losses.
- It increases the availability of phosphorus and increases the availability of micronutrients.
- It especially enhances soils with an alkaline pH or calcareous soils.
AMMONIUM SULPHATE AS A FERTILISER
- If the correct dose is applied, 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 process is obtained through synthesis transformations and, as such, is 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.
APPLICATION METHODS
There are three types of application of ammonium sulphate:
- Surface: Distributed over the surface, broadcasted and in strips.
- Via irrigation water: Its high solubility allows it to be used for fertirrigation.
- Underground: Applied in strips alongside or under the seeds.
APPLICATIONS
WINTER CEREAL
APPLICATION
PRODUCTION Kg/Ha
DEEP Kg/Ha
TOP Kg/Ha
Dry: Budding
Irrigation: Half budding, start of sprouting
&#;
150 &#; 200
150 &#; 200
&#;
200 &#; 350
200 &#; 350
&#;
350 &#; 500
350 &#; 500
SPRING RICE CEREAL
APPLICATION
PRODUCTION Kg/Ha
DEEP Kg/Ha
TOP Kg/Ha
Start of Budding
&#;
700 &#; 800
175 &#; 200
&#;
800 &#; 900
200 &#; 250
&#;
900 &#;
250 &#; 300
SPRING MAIZE-SORGHUM CEREAL
APPLICATION
PRODUCTION Kg/Ha
DEEP Kg/Ha
TOP Kg/Ha
Long cycle: Half at 30cm, rest per month
Short cycle: Single application at 50cm
&#;
500 &#; 650
500 &#; 600
&#;
650 &#; 775
600 &#; 750
&#;
775 &#; 875
750 &#; 850
INDUSTRIAL SUNFLOWER CROP
APPLICATION
PRODUCTION Kg/Ha
DEEP Kg/Ha
TOP Kg/Ha
Depending on humidity, followed by thinning
&#;
200 &#; 250
100 &#; 150
&#;
250 &#; 350
150 &#; 250
INDUSTRIAL COTTON CROPS
APPLICATION
PRODUCTION Kg/Ha
DEEP Kg/Ha
TOP Kg/Ha
50% after thinning
50% 30 days later
&#;
250 &#; 350
650 &#; 750
&#;
350 &#; 450
750 &#; 850
MISCELLANEOUS INDUSTRIAL CROPS
APPLICATION
PRODUCTION Kg/Ha
DEEP Kg/Ha
TOP Kg/Ha
Applied twice throughout the cycle
&#;
350 &#; 450
350 &#; 450
&#;
450 &#; 550
450 &#; 550
&#;
550 &#; 650
550 &#; 650
OLIVE GROVE
APPLICATION
PRODUCTION Kg/Ha
AFTER COLLECTION Kg/Ha
TOP Kg/Ha
Spring if it rains, has rained, or is going to rain
20 &#; 30
3
1.5
30 &#; 40
4
2
40 &#; 50
5
2.5
50+
6
3
VINES
APPLICATION
PRODUCTION Kg/Ha
DEEP Kg/Ha
WINTER DRESSING
One application in winter
&#;
500 &#; 700
&#;
700 &#; 900
CITRUS LIMON VERNA-LATE VARIETIES
APPLICATION
PRODUCTION
Kg/Ha waterlogged
DRESSING 1
Kg/Ha waterlogged
DRESSING 2
Kg/Ha waterlogged
DRESSING 3
Kg/Ha waterlogged
&#;
60 &#; 70
January
30 &#; 40
July-August
30 &#; 40
October
&#;
70 &#; 80
40 &#; 50
40 &#; 50
CITRUS CLEMENTINES &#; SATSUMAS &#; NAVEL &#; SALUSTIANAS
APPLICATION
PRODUCTION
Kg/Ha waterlogged
DRESSING 1
Kg/Ha waterlogged
DRESSING 2
Kg/Ha waterlogged
Dressing 1: February/March
Dressing 2: July/August
&#;
75 &#; 100
70 &#; 80
&#;
100 &#; 125
80 &#; 100
ALMOND
APPLICATION
PRODUCTION Kg/Ha
A. WINTER Kg/Ha
WINTER DRESSING
Apply twice in feeding phase
&#;
400 &#; 500
200 &#; 250
&#;
500 &#; 600
250 &#; 300
&#;
600 &#; 700
300 &#; 350
APPLE &#; PEAR &#; QUINCE
APPLICATION
PRODUCTION Kg/Ha
A. WINTER Kg/Ha
WINTER DRESSING
Apply twice in feeding phase
&#;
450 &#; 500
500 &#; 600
&#;
500 &#; 550
600 &#; 700
CHERRY &#; PLUM &#; PEACH &#; APRICOT &#; NECTARINE &#; SATURN PEACH
APPLICATION
PRODUCTION Kg/Ha
A. WINTER Kg/Ha
WINTER DRESSING
Apply twice in feeding phase
&#;
600 &#; 650
500 &#; 650
&#;
650 &#; 700
650 &#; 800
&#;
700 &#; 750
800 &#; 950
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