DeltaLent Active DUO

Dual-action nitrogen stabilizer (DMPP + KPA)Ready-to-use nitrogen stabilizer combining DMPP, which slows nitrification, with KPA, which helps nutrients stay available in the root zone.

DeltaLent Active DUO
Formulation
Ready-to-use liquid (brown), for solid and liquid fertilizers
Active ingredient
DMPP and KPA (potassium polyaspartate)
Main targets
Urea, UAN, CAN, ASN, AN, NPK, DAP, MAP, blends, liquid fertilizers, slurries, digestates
Concentration / Content
DMPP 18% w/w
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DeltaChemMade in Germany

Available formulations

DeltaLent Active DUO is supplied as a ready-to-use liquid combining DMPP 18% with KPA. Customized dosing recommendations are available on request.

Can't find the formula you are looking for? Our team creates custom formulas tailored to your crop's requirements.

Agronomic advantages

What DeltaLent Active DUO delivers, based on the DeltaChem product data.

Extended nitrogen availability

DMPP slows the conversion of ammonium to nitrate, extending nitrogen availability.

Reduced nitrate leaching

Helps reduce nitrate leaching.

Improved nutrient use efficiency

Supports better nutrient use efficiency (NUE).

Nutrients stay in the root zone

KPA helps nutrients stay available in the root zone.

Solid and liquid fertilizers

Suitable for both solid and liquid fertilizers.

Wide fertilizer range

Suitable where at least 50% of the total N is ammonium N and/or urea N.

Science & mode of action

How DMPP and KPA work together.

Mode of action: dual action

DeltaLent Active DUO combines two actives. DMPP slows the conversion of ammonium to nitrate, which extends nitrogen availability and reduces nitrate leaching. KPA (potassium polyaspartate) helps nutrients stay available in the root zone. It can be used where at least 50% of the total N is ammonium N and/or urea N.

How DMPP worksHow KPA works
RootUntreatedNO₃⁻NO₃⁻PKZn
Untreated: ammonium is converted to nitrate quickly and nitrate can be leached
RootWith DeltaLent Active DUONH₄⁺DMPPNH₄⁺DMPPKPAPKZn
With DeltaLent Active DUO: nitrification is slowed, nitrate leaching is reduced and nutrients stay available in the root zone

Specifications & dosage

Key technical characteristics and recommended dosage of DeltaLent Active DUO.

Parameter / ComponentSpecification
Active ingredientsDMPP 18.0% w/w plus KPA (potassium polyaspartate)
Total N15.5% w/w
P₂O₅6.6% w/w
pH4.2
Density1.206 kg/L
AppearanceBrown liquid
FormFor solid and liquid fertilizers
ApplicabilityWhere at least 50% of total N is ammonium N and/or urea N
Target fertilizersUrea, UAN, CAN, ASN, AN, NPK, DAP, MAP, blends, liquid fertilizers, slurries, digestates
Packaging20 L PE cans, 200 L drums, 1000 L IBC; adaptable to customer needs
RegulatoryEU Regulation 2019/1009, PFC 5.A (nitrification inhibitor). REACH-registered ingredients. SDS on request. Professional use only.

Dosage

ParameterDosage
Product dosage0.8–1.6% of the total N present as urea and ammonium N

Customized dosing recommendations are available on request.

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