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作者：netwing 来源：本站时间：2022-4-1 17:18:51
水溶性聚磷酸铵凭借以下优点进入液体肥料生产领域，并已在欧美等发达国家广泛应用：
4、肥料施入土壤中，聚磷酸铵中的正磷酸根会先被植物吸收利用，土壤的理化性质会使聚磷酸根逐渐分解，慢慢变为正磷酸根提供植物利用，因而肥料具有缓效作用。
|
项目 |
单位 |
指标 |
|
五氧化二磷（(P2O5)）含量 |
%（W/W） |
≥58 |
|
氮(N)含量 |
%（W/W） |
≥17 |
|
PH（稀释250倍） |
N/A |
6-8 |
|
溶解度 |
(g/100ml水) |
≥160 |
|
水不溶物 |
%（W/W） |
≤0.5 |
Water-soluble ammonium polyphosphates enter the field of liquid fertilizer production by virtue of the following advantages, and has been widely used in Europe and America and other developed countries:
1. It is a high concentration fertilizer containing nitrogen and phosphorus required for crop growth;
2. The fertilizer is neutral and has high safety and improvement to soil and crops;
3. It has good chelation to metal ions, and can add some trace elements to improve fertilizer efficiency;
4. When fertilizer is applied to the soil, the orthophosphate root in ammonium polyphosphate will be absorbed and used by plants first. The physical and chemical properties of the soil will cause the polyphosphate root to gradually decompose and gradually become orthophosphate root for plant use, so the fertilizer has a slow effect.
|
Item |
Unit |
Index |
|
P2O5 |
%（W/W） |
≥58 |
|
Nitrogen(N) |
%（W/W） |
≥17 |
|
PH（Diluted 250 times） |
N/A |
6-8 |
|
Solubility |
(g/100ml water) |
≥160 |
|
Insoluble Matter |
%（W/W） |
≤0.5 |
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