产品定义 / Product Definition
- 低聚水溶性APP(Low Polymerization Water-Soluble Ammonium Polyphosphate )
通常指液体肥料用聚磷酸铵，具有高磷、高溶解性、缓释及螯合金属离子的能力。
Mainly used in liquid fertilizers with high P content, excellent solubility, slow-release effect and metal ion complexing ability.
肥料产品 Fertilizer Product | 主要成分 Main Component | 与APP兼容性 Compatibility with APP | 推荐使用方式 Recommended Application | 注意事项 Precautions |
硫代硫酸铵 ATS | Ammonium Thiosulfate (12-0-0-26S) | ⭐⭐⭐⭐⭐ 优秀 Excellent | 可直接复配液体肥，如APP+ATS高磷氮硫肥 It can be directly mixed with liquid fertilizers, APP + ATS high-phosphorus, nitrogen, sulfur fertilizer.high-phosphorus, nitrogen, sulfur fertilizer. | 稳定性好，避免长期高温储存 Good stability; avoid long-term storage at high temperatures. |
硫代硫酸钾 KTS | Potassium Thiosulfate (0-0-25-17S) | ⭐⭐⭐⭐⭐ 优秀 Excellent | APP + KTS 用于高价值作物滴灌肥 APP + KTS is used for drip irrigation fertilization of high-value crops | 注意钾浓度过高可能产生盐析Note that excessively high potassium concentrations may cause salting-out. |
硫代硫酸钙 CaTS | Calcium Thiosulfate (Ca+S) | ⭐⭐⭐ 中等 Moderate | 建议分罐或低浓度混配Recommended to use separately or in low concentration mixtures | Ca²⁺可能与磷酸根形成沉淀 Ca²⁺ may form a precipitate with phosphate ions. |
硝酸钾 KNO₃ | Potassium Nitrate | ⭐⭐⭐⭐⭐ 优秀 Excellent | APP+KNO₃生产高端液体肥 APP + KNO₃ produces high-end liquid fertilizer | 兼容性较佳 Good compatibility |
尿素 Urea | CO(NH₂)₂ | ⭐⭐⭐⭐⭐ 优秀 Excellent | APP+尿素生产液体氮磷肥 APP + Urea Production of Liquid Nitrogen and Phosphate Fertilizer | 常见配方组合 Common Formula Combinations |
硫酸钾 SOP | Potassium Sulfate | ⭐⭐⭐⭐ 良好 Good | 可用于复配水溶肥 Can be used for compounding water-soluble fertilizers | 控制浓度及温度Control the concentration and temperature |
硝酸铵钙 CAN | Calcium Ammonium Nitrate | ⭐⭐⭐ 一般 Moderate | 不建议高浓度长期混储 It is not recommended to store at high concentrations for a long period of time. | Ca存在沉淀风险 There is a risk of Ca precipitation. |
硫酸镁 MgSO₄ | Magnesium Sulfate | ⭐⭐⭐ 一般 Moderate | 低浓度复配可行 Low-concentration combination is feasible | 高浓度需测试 |
EDTA螯合铁 Fe-EDTA | Chelated Iron | ⭐⭐⭐⭐⭐ 优秀 Excellent | APP+Fe-EDTA Trace element liquid fertilizer | APP有助稳定Fe元素 The APP helps to stabilize the Fe element. |
EDTA螯合锌 Zn-EDTA | Chelated Zinc | ⭐⭐⭐⭐⭐ 优秀 Excellent | 推荐用于叶面肥/滴灌肥 Recommended for foliar fertilizer/drip irrigation fertilizer | 兼容性好 Good compatibility |
EDTA螯合锰 Mn-EDTA | Chelated Manganese | ⭐⭐⭐⭐⭐ 优秀 Excellent | 可直接混配 Can be mixed directly | 稳定 stabilization |
EDTA螯合铜 Cu-EDTA | Chelated Copper | ⭐⭐⭐⭐ 良好 Good | 低浓度使用 Low concentration usage | 避免强碱环境 Avoid a strongly alkaline environment |
EDTA钙 Ca-EDTA | Calcium EDTA | ⭐⭐⭐⭐ 良好 Good | 可用于微量元素强化肥 Can be used for trace element-enriched fertilizers | 优于无机钙 Better than inorganic calcium |
硼砂 / 硼酸 Boron | Boron | ⭐⭐⭐⭐ 良好 Good | 微量添加 Add in trace amounts | 控制pH Control the pH |
Recommended Liquid Fertilizer Formulation Solutions
1. APP + ATS 高氮磷硫液肥（APP + Ammonium Thiosulfate）
Advantages:：
- Provides N, P, and S
- Improves phosphorus utilization efficiency·
- Suitable for corn, wheat, rice, and field crops
2. APP + KTS 高钾磷硫液肥 (APP + Potassium Thiosulfate)
Advantages:：
- High phosphorus + High potassium + Sulfur
- Suitable for fruit trees, grapes, vegetables, and economic crops
3. APP + EDTA微量元素液肥 (APP + EDTA Chelated Micronutrients)
推荐组合 (Recommended combination:)：
- APP + Fe-EDTA
- APP + Zn-EDTA
- APP + Mn-EDTA
- APP + Cu-EDTA
Advantages:：
- Enhance the stability of trace elements
- Reduce precipitation
- Suitable for drip irrigation and foliar fertilization
混配注意事项(Mixing Recommendations)
- Ca类产品需特别注意(Calcium-containing fertilizers require special attention.)
The phosphate ions in the APP may form calcium phosphate precipitates with free Ca²⁺.
Suggestion:：
- Ca-EDTA is the preferred choice
- CaTS recommends low-concentration testing