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Sudi
7783-20-2
White Granualr
≤0.5
≤0.5
GB/T 535-2020
40 kg/bag
Field crops and Cash crops
| Quantity: | |
|---|---|
Product Parameters
| Water insoluble matter | ≤0.5% |
| Chloride ion | ≤1.0% |
Agricultural ammonium sulfate ((NH₄)₂SO₄) is an important nitrogen fertilizer (containing about 21% nitrogen) and sulfur fertilizer (containing about 24% sulfur), mainly providing ammonium nitrogen (NH₄ ⁺). It has its specific application scenarios, suitable crops and matters needing attention in agricultural production.
Main application scenarios
Supplementation of sulfur-deficient soil
When the available sulfur content in the soil is low (such as sandy soil, soil with low organic matter content, and areas with high temperature, abundant rainfall and strong leaching), ammonium sulfate is a good source of sulfur supplementation. Sulfur is essential for plants to synthesize proteins, vitamins and certain aromatic substances.
Improve alkaline soil
Ammonium sulfate is a physiologically acidic fertilizer. When plants absorb and utilize the ammonium ions (NH₄⁺) in it, they will leave sulfate ions (SO₄⊃2;⁻) in the soil, which combine with hydrogen ions, making the soil solution acidic. Therefore, when applied to saline-alkali land or calcareous soil with a relatively high pH value, it helps neutralize alkalinity, improve the physical and chemical properties of the soil, and increase the utilization rate of certain nutrients that are more available in neutral or slightly acidic environments (such as phosphorus, iron, manganese, zinc, copper, etc.).
Dryland crops
Ammonium nitrogen (NH₄⁺) is not easily lost with water and is more suitable for use on dryland crops with relatively low rainfall or average irrigation conditions. However, in paddy fields, attention should be paid to the application method (see precautions).
As base fertilizer or top dressing
It can be applied to the soil as base fertilizer before sowing or transplanting, or as top dressing to supplement nitrogen and sulfur during the growth period of crops.
Applicable crops (particularly beneficial crops)
Sulfur-loving crops
Cruciferous crops: rape, cabbage, cauliflower, radish, Chinese cabbage, etc. These crops have a relatively high demand for sulfur, which is involved in the synthesis of their important flavor substances, such as glucosinolates. The application of ammonium sulfate not only provides nitrogen but also significantly improves yield and quality (such as the oil content of rapeseed and the flavor of vegetables).
Garlic and scallion crops: Onions, garlic, scallions, leeks, etc. Sulfur is a key element in forming its special pungent flavor (sulfur-containing compounds such as allicin). The application of ammonium sulfate is crucial for enhancing its yield and flavor quality.
Leguminous crops: soybeans, peanuts, broad beans, peas, etc. Sulfur has a positive impact on protein synthesis and nitrogen fixation.
Rice (dry farming or at a specific stage)
The application of ammonium sulfate as base fertilizer or early top dressing for rice is more effective during the dryland seedling raising stage or the early stage of direct seeding, as well as in the early stage after rice transplanting. However, when applying top dressing in paddy fields under waterlogged conditions, attention should be paid to the method (deep application and covering with soil).
Important Notes
Caution should be exercised when applying it to paddy fields
Avoid surface application: Under waterlogged conditions in paddy fields, ammonium nitrogen (NH₄⁺) is converted into nitrate nitrogen (NO₃⁻) by nitrifying bacteria in the surface oxide layer. Nitrate nitrogen then moves to the lower reduction layer and is converted back into nitrogen gas (N₂) or nitrous oxide (N₂O) by denitrifying bacteria, resulting in loss (referred to as denitrification nitrogen loss).
The correct method: When applying top dressing in paddy fields, deep application and soil covering (such as deep application of ear fertilizer) should be adopted or combined with weeding to apply the fertilizer into the reducing layer, reducing nitrification and denitrification losses. When applied as base fertilizer during land preparation and mixed into the soil, the loss is relatively small.
FAQ
| Q:Are you trading company or manufacturer? | |
| A:We are a Chinese fertilizer factory established in 2002 with more than 20 years experience in producing fertilizer. | |
| Q:How does your factory do regarding quality control? | |
| A:Quality is priority. Our people always attach great importance to quality. Controlling from the production beginning to the end. We have well-trained and professional workers and strict QC system in each production link. And each product has to be 100% inspected before shipment. | |
| Q:What are the terms of payments? | |
| A:We accept T/T etc. | |
| Q:What is your minimum order? | |
| A:Our min order is 100 ton. |
Product Parameters
| Water insoluble matter | ≤0.5% |
| Chloride ion | ≤1.0% |
Agricultural ammonium sulfate ((NH₄)₂SO₄) is an important nitrogen fertilizer (containing about 21% nitrogen) and sulfur fertilizer (containing about 24% sulfur), mainly providing ammonium nitrogen (NH₄ ⁺). It has its specific application scenarios, suitable crops and matters needing attention in agricultural production.
Main application scenarios
Supplementation of sulfur-deficient soil
When the available sulfur content in the soil is low (such as sandy soil, soil with low organic matter content, and areas with high temperature, abundant rainfall and strong leaching), ammonium sulfate is a good source of sulfur supplementation. Sulfur is essential for plants to synthesize proteins, vitamins and certain aromatic substances.
Improve alkaline soil
Ammonium sulfate is a physiologically acidic fertilizer. When plants absorb and utilize the ammonium ions (NH₄⁺) in it, they will leave sulfate ions (SO₄⊃2;⁻) in the soil, which combine with hydrogen ions, making the soil solution acidic. Therefore, when applied to saline-alkali land or calcareous soil with a relatively high pH value, it helps neutralize alkalinity, improve the physical and chemical properties of the soil, and increase the utilization rate of certain nutrients that are more available in neutral or slightly acidic environments (such as phosphorus, iron, manganese, zinc, copper, etc.).
Dryland crops
Ammonium nitrogen (NH₄⁺) is not easily lost with water and is more suitable for use on dryland crops with relatively low rainfall or average irrigation conditions. However, in paddy fields, attention should be paid to the application method (see precautions).
As base fertilizer or top dressing
It can be applied to the soil as base fertilizer before sowing or transplanting, or as top dressing to supplement nitrogen and sulfur during the growth period of crops.
Applicable crops (particularly beneficial crops)
Sulfur-loving crops
Cruciferous crops: rape, cabbage, cauliflower, radish, Chinese cabbage, etc. These crops have a relatively high demand for sulfur, which is involved in the synthesis of their important flavor substances, such as glucosinolates. The application of ammonium sulfate not only provides nitrogen but also significantly improves yield and quality (such as the oil content of rapeseed and the flavor of vegetables).
Garlic and scallion crops: Onions, garlic, scallions, leeks, etc. Sulfur is a key element in forming its special pungent flavor (sulfur-containing compounds such as allicin). The application of ammonium sulfate is crucial for enhancing its yield and flavor quality.
Leguminous crops: soybeans, peanuts, broad beans, peas, etc. Sulfur has a positive impact on protein synthesis and nitrogen fixation.
Rice (dry farming or at a specific stage)
The application of ammonium sulfate as base fertilizer or early top dressing for rice is more effective during the dryland seedling raising stage or the early stage of direct seeding, as well as in the early stage after rice transplanting. However, when applying top dressing in paddy fields under waterlogged conditions, attention should be paid to the method (deep application and covering with soil).
Important Notes
Caution should be exercised when applying it to paddy fields
Avoid surface application: Under waterlogged conditions in paddy fields, ammonium nitrogen (NH₄⁺) is converted into nitrate nitrogen (NO₃⁻) by nitrifying bacteria in the surface oxide layer. Nitrate nitrogen then moves to the lower reduction layer and is converted back into nitrogen gas (N₂) or nitrous oxide (N₂O) by denitrifying bacteria, resulting in loss (referred to as denitrification nitrogen loss).
The correct method: When applying top dressing in paddy fields, deep application and soil covering (such as deep application of ear fertilizer) should be adopted or combined with weeding to apply the fertilizer into the reducing layer, reducing nitrification and denitrification losses. When applied as base fertilizer during land preparation and mixed into the soil, the loss is relatively small.
FAQ
| Q:Are you trading company or manufacturer? | |
| A:We are a Chinese fertilizer factory established in 2002 with more than 20 years experience in producing fertilizer. | |
| Q:How does your factory do regarding quality control? | |
| A:Quality is priority. Our people always attach great importance to quality. Controlling from the production beginning to the end. We have well-trained and professional workers and strict QC system in each production link. And each product has to be 100% inspected before shipment. | |
| Q:What are the terms of payments? | |
| A:We accept T/T etc. | |
| Q:What is your minimum order? | |
| A:Our min order is 100 ton. |
