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Encapsulamento de Fertilizantes

Farming’s challenge

Today’s farmers face challenges: feeding a growing global population amid water scarcity issues, shrinking land nutrient availability, and contracting harvest periods. Dow has a long heritage in agricultural markets, and we love a good challenge.

Solutions offering efficiency and precision

We put our scientists to work and found answers. It’s called fertilizer encapsulation - a polymer coating technology that can:

  • Be applied to any granular substrate
  • Provide extended-release capabilities and improve the efficiency of common crop fertilizers
  • Control-release fertilizer to the plant when needed
  • Enable dust mitigation and superior handling
  • Help increase productivity, getting the most out of crop space
  • Enhance crop yield and profit margins
  • Be tailored to crop-specific nutrient release needs
  • Prevent leaching into nearby water sources, and reduce fertilizer volatilization in the early days after application
     

Figure 1: Release profiles of encapsulants

Release profile

Figure 1: Release profiles of encapsulant - Uncoated urea will dissolve in hours. Dow technology allows fertilizer encapsulants to be custom created for different crop requirements with profiles to release nutrients over 30-, 60-, and 90-day time spans. Here we see three encapsulment options and their release profiles.


Thickness, structure, and coating chemistry

Fertilizer encapsulation is built upon a simple concept (coating thickness) and complex science (coating structures). Coating thickness suggests the thicker the encapsulant coating, the longer the release time of the fertilizer. Coating structure is much more elaborate, taking into account many physical, functional, and chemical properties.


Figure 2: Coating thickness

PU pellets

Figure 2: Coating thickness - 1mm fertilizer pellet shown with micrograph of 150μm encapsulant coating (darker exterior). Coating thickness combines with required structural functionalities to create the desired extended-release profile per crop.


Trust in experience

It’s a lot to take in, but with decades of agricultural science experience, we have the know-how and best-in-class capabilities to make it all work.

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Expertise
Formulation expertise to tailor plant growth needs

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Product portfolio
Right portfolio of polymers to encapsulate different types of substrates

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Product development
Sophisticated characterization expertise for product development and product quality

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Economics
Understanding of economics to develop viable innovative solutions

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OEMs/Partnerships
Close connectivity with top equipment manufacturers for coating of fertilizer


How are your fields?

We’d like to know how control-release fertilizers could help you get more from your crops. Let’s work together as your development partner and preferred product supplier for encapsulation of fertilizer and actives.