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NPK15-15-30 (+TE )
    Publish time 2025-06-19 16:51    
NPK15-15-30 (+TE )

High-Potassium NPK Compound Fertilizers are designed to meet potassium demands during late growth stages of crops (fruit expansion/sugar accumulation/stress resistance enhancement).

Quality Enhancement: Activates starch/sugar transport enzymes, significantly increasing:
Fruit sugar content (e.g., grapes: +1.5–2°Brix), Vitamin C levels, Color development.

Stress Resistance Reinforcement: Maintains cellular osmotic pressure, enhancing resistance to: Drought, Cold stress, Disease.

Fruit Enlargement & Senescence Delay: Promotes translocation of photosynthetic products to fruits, reducing late-stage fruit drop.

Restricted Scenarios:

Chloride-sensitive crops (e.g., tobacco, grapes): Avoid chloride-containing potassium fertilizers (e.g., KCl).

Saline-alkali soils: Avoid sulfate-based potassium fertilizers (aggravates salinization).

Prohibited Mixtures: Calcium magnesium phosphate, Ammonium bicarbonate (triggers ammonia release reaction).

Application Interval: Allow ≥3 days between calcium fertilizer applications (prevents CaSO₄ precipitation and drip emitter clogging).

Critical Warning:

Continuously applying high-potassium fertilizers requires monitoring soil EC (electrical conductivity) to prevent salinization: STOP USE if sandy soil EC >1.5 mS/cm

Parameters

Unit

Standard

Appearance

                 /

             White crystal powder

Total nitrogen( N)

                ≥%

                            15.0

Nitrate nitrogen( NO3-N)

                ≥%

                             8.91

Urea nitrogen( NH2-N)

                ≥%

                             3.22

Ammonical nitrogen( NH4-N)

                 ≥%

                             3.0

Water soluble phosphate( as P2O5)

                 ≥%

                            15.0

Water soluble potash( as K2O)

              ≥%

                            30.0

APN+B

                %

                             0.3  

pH

             10G/L

                          5.0-7.5

Solubility(at 20℃)

              G/L

                            290.0

EC( 1g/L 20℃)

              mS/cm

                             1.35

















For additional product information, please contact us via email info@aicheme.com