COMPO Expert mineral fertilizer NovaTec Solub 21 — white bag with a green label, front view

COMPO Expert·Macronutrients

NovaTec Solub 21

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NovaTec Solub 21 — a water-soluble nitrogen-sulfur fertilizer with 21% ammonium nitrogen, 24% sulfur and DMPP for fertigation in horticulture.

Main advantages

  • N 21% in ammonium form — DMPP inhibitor
  • S 24% — nitrogen and sulfur via fertigation
  • Fully soluble — for fertigation systems
  • Lateral root branching — per the maker

Overview

About this product

NovaTec Solub 21 — a water-soluble nitrogen fertilizer based on ammonium sulfate with sulfur and the nitrification inhibitor DMPP for fertigation. It contains 21.0% nitrogen in ammonium form and 24.0% water-soluble sulfur; DMPP is 0.205% of the product and, as declared, 0.8% relative to ammonium and amide nitrogen.

Per the maker, DMPP raises nitrogen use efficiency, micronutrient uptake and lateral root branching. It dissolves completely in water and supplies nitrogen and sulfur through fertigation systems; compatible with common pesticides, bag 25 kg.

Application

Rate, timing and crops

Method
Fertigation
Tank mix
Common pesticides
Crops
Horticulture

Figures from the manufacturer, COMPO Expert. Source page

Specifications

Nutrient composition

TypeNitrogen
Composition
  • N, nitrogen21.0%
    ammonium nitrogen21.0%
  • S, water-soluble sulfur24.0%
  • DMPP, nitrification inhibitor0.205%
  • 3,4-DMPP relative to ammonium and amide nitrogen (declaration)0.8%
ApplicationFertigation
Target CropsHorticultural crops
ManufacturerCOMPO Expert
Packaging25 kg

Vendor offers

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Questions & answers

What farmers ask most

  • Rates depend on crop, prior history and soil analysis. Urea and other straight nitrogen grades are not an NPK complex: a cereal ballpark is often 100–250 kg/ha of product, but the exact dose is an agronomist's call.

Product specifications are compiled from publicly available manufacturer sources and are provided for guidance only — confirm all details with the vendor before purchase. Brand names, logos and trademarks are the property of their respective owners; a listing on ADAM does not imply affiliation, sponsorship or endorsement.

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