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46% TSP fertilizer
Sudi
65996-95-4
GB/T 21634-2020
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· Common name: Superphosphate
· Chemical formula: The main component is Ca(H₂PO₄)₂·H₂O (calcium dihydrogen phosphate monohydrate)
· Appearance and form: Usually gray or grayish-white granules (sometimes in powder form). The granular form has good physical properties, is convenient for mechanical application, and is not prone to moisture absorption and caking.
· Phosphorus content: P₂O₅ ≥ 46%. This is the most significant difference between it and ordinary superphosphate (common calcium, P₂O₅ 12%-18%), with a concentration about three times that of common calcium.
· Extremely high phosphorus content: The effective phosphorus content is as high as over 46%, making it one of the most mainstream high-concentration phosphorus fertilizers at present. The transportation and application costs of unit phosphorus nutrients are low.
· Water-soluble phosphorus: The phosphorus it contains is almost all water-soluble calcium monophosphate, which can quickly dissolve in soil solutions and be directly absorbed and utilized by crops, showing quick results.
· Good particle rationality: High particle strength and good fluidity, suitable for long-distance transportation, storage, and mechanized and precise fertilization (such as simultaneous sowing of seeds and fertilizers, side-deep fertilization).
· Pure ingredients: Free of gypsum and other fillers, with single and concentrated active ingredients.
· Low sulfur content: This is an advantage for soils and crops that do not require additional sulfur supplementation or need to avoid the influence of sulfur.
· Core function: Provide efficient and rapid phosphorus nutrition for crops.
· Applicable crops: Widely applicable to almost all field crops, cash crops, fruit trees, vegetables, flowers, etc. It is especially effective for phosphorus-loving crops such as legumes, rape, melons, fruit trees, tobacco, etc.
· Applicable soil: It works best in neutral or slightly acidic soil. When applied on calcareous soil (alkaline soil), it is easy to be fixed and should be combined with organic fertilizer or applied in concentrated strips or holes to improve the utilization rate. It is not recommended for use in severely acidified soil.
· Base application as the main method: This is the primary application approach. Before sowing or transplanting, apply fertilizer to the deep root distribution area of the soil in combination with land preparation.
· Simultaneous sowing of seeds and fertilizers: Granular heavy calcium carbonate is highly suitable for mechanical row sowing together with seeds, but it is essential to ensure a 2-5 centimeter isolation distance from the seeds to prevent high-concentration fertilizers from burning the seeds and the root systems of seedlings.
· Concentrated application: By using methods such as row application, hole application, and furrow application, the contact area between the fertilizer and the soil is reduced, the fixation of phosphorus is lowered, and the utilization rate is improved.
· Top dressing: It can be used as top dressing during the early growth stage of crops (the critical period for phosphorus requirement), but it should be applied deeply in furrows and covered with soil. It is not advisable to sprinkle it on the surface.
· Do not mix with alkaline substances: It is strictly prohibited to mix with alkaline fertilizers or materials such as lime, wood ash, and ammonium bicarbonate, as chemical reactions will occur, leading to nitrogen loss and a sharp decline in the effectiveness of phosphate fertilizers.
· Be cautious of contact with seeds and root systems: High-concentration fertilizers pose a risk of burning seeds and seedlings. It is essential to take proper isolation measures.
· Soil acidity matching: Most suitable for phosphorus-deficient neutral and slightly acidic soils. Long-term use alone in strongly acidic soil may aggravate acidification. It should be applied in combination with lime and organic fertilizer.
· Phosphorus fixation issue: After being applied to the soil (especially in alkaline soil or soil with high iron and aluminum content), some water-soluble phosphorus will gradually transform into insoluble forms, that is, "be fixed". Therefore, the utilization rate of phosphate fertilizer in the current season is usually low (10%-25%), and it is emphasized that it should be used as base fertilizer and applied in a concentrated manner. Balanced fertilization: Although the phosphorus content is high, crops require balanced nutrition of nitrogen, phosphorus, potassium and trace elements. Heavy calcium carbonate is usually applied in combination with nitrogen and potassium fertilizers such as urea, potassium chloride/potassium sulfate, or used as raw material for compound fertilizers.
46% granular superphosphate is a high-quality phosphate fertilizer that is highly efficient, highly concentrated, water-soluble and mainly applied as a base. Its core value lies in providing rapid and powerful phosphorus impetus for the early growth stage and critical phosphorus demand period of crops, promoting root development, flower bud differentiation and fruit ripening. The key to correct application lies in "deep application, concentrated application, matching with soil acidity, and avoiding mixing with alkaline substances".
· Common name: Superphosphate
· Chemical formula: The main component is Ca(H₂PO₄)₂·H₂O (calcium dihydrogen phosphate monohydrate)
· Appearance and form: Usually gray or grayish-white granules (sometimes in powder form). The granular form has good physical properties, is convenient for mechanical application, and is not prone to moisture absorption and caking.
· Phosphorus content: P₂O₅ ≥ 46%. This is the most significant difference between it and ordinary superphosphate (common calcium, P₂O₅ 12%-18%), with a concentration about three times that of common calcium.
· Extremely high phosphorus content: The effective phosphorus content is as high as over 46%, making it one of the most mainstream high-concentration phosphorus fertilizers at present. The transportation and application costs of unit phosphorus nutrients are low.
· Water-soluble phosphorus: The phosphorus it contains is almost all water-soluble calcium monophosphate, which can quickly dissolve in soil solutions and be directly absorbed and utilized by crops, showing quick results.
· Good particle rationality: High particle strength and good fluidity, suitable for long-distance transportation, storage, and mechanized and precise fertilization (such as simultaneous sowing of seeds and fertilizers, side-deep fertilization).
· Pure ingredients: Free of gypsum and other fillers, with single and concentrated active ingredients.
· Low sulfur content: This is an advantage for soils and crops that do not require additional sulfur supplementation or need to avoid the influence of sulfur.
· Core function: Provide efficient and rapid phosphorus nutrition for crops.
· Applicable crops: Widely applicable to almost all field crops, cash crops, fruit trees, vegetables, flowers, etc. It is especially effective for phosphorus-loving crops such as legumes, rape, melons, fruit trees, tobacco, etc.
· Applicable soil: It works best in neutral or slightly acidic soil. When applied on calcareous soil (alkaline soil), it is easy to be fixed and should be combined with organic fertilizer or applied in concentrated strips or holes to improve the utilization rate. It is not recommended for use in severely acidified soil.
· Base application as the main method: This is the primary application approach. Before sowing or transplanting, apply fertilizer to the deep root distribution area of the soil in combination with land preparation.
· Simultaneous sowing of seeds and fertilizers: Granular heavy calcium carbonate is highly suitable for mechanical row sowing together with seeds, but it is essential to ensure a 2-5 centimeter isolation distance from the seeds to prevent high-concentration fertilizers from burning the seeds and the root systems of seedlings.
· Concentrated application: By using methods such as row application, hole application, and furrow application, the contact area between the fertilizer and the soil is reduced, the fixation of phosphorus is lowered, and the utilization rate is improved.
· Top dressing: It can be used as top dressing during the early growth stage of crops (the critical period for phosphorus requirement), but it should be applied deeply in furrows and covered with soil. It is not advisable to sprinkle it on the surface.
· Do not mix with alkaline substances: It is strictly prohibited to mix with alkaline fertilizers or materials such as lime, wood ash, and ammonium bicarbonate, as chemical reactions will occur, leading to nitrogen loss and a sharp decline in the effectiveness of phosphate fertilizers.
· Be cautious of contact with seeds and root systems: High-concentration fertilizers pose a risk of burning seeds and seedlings. It is essential to take proper isolation measures.
· Soil acidity matching: Most suitable for phosphorus-deficient neutral and slightly acidic soils. Long-term use alone in strongly acidic soil may aggravate acidification. It should be applied in combination with lime and organic fertilizer.
· Phosphorus fixation issue: After being applied to the soil (especially in alkaline soil or soil with high iron and aluminum content), some water-soluble phosphorus will gradually transform into insoluble forms, that is, "be fixed". Therefore, the utilization rate of phosphate fertilizer in the current season is usually low (10%-25%), and it is emphasized that it should be used as base fertilizer and applied in a concentrated manner. Balanced fertilization: Although the phosphorus content is high, crops require balanced nutrition of nitrogen, phosphorus, potassium and trace elements. Heavy calcium carbonate is usually applied in combination with nitrogen and potassium fertilizers such as urea, potassium chloride/potassium sulfate, or used as raw material for compound fertilizers.
46% granular superphosphate is a high-quality phosphate fertilizer that is highly efficient, highly concentrated, water-soluble and mainly applied as a base. Its core value lies in providing rapid and powerful phosphorus impetus for the early growth stage and critical phosphorus demand period of crops, promoting root development, flower bud differentiation and fruit ripening. The key to correct application lies in "deep application, concentrated application, matching with soil acidity, and avoiding mixing with alkaline substances".
