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Development of materials containing macro and micronutrients for programmed release: sustainable agriculture

Grant number: 19/02793-4
Support type:Scholarships in Brazil - Master
Effective date (Start): August 01, 2019
Effective date (End): July 31, 2021
Field of knowledge:Physical Sciences and Mathematics - Chemistry
Principal researcher:Roselena Faez
Grantee:Camila Gruber Chiaregato
Home Institution: Centro de Ciências Agrárias (CCA). Universidade Federal de São Carlos (UFSCAR). Araras , SP, Brazil


Encouraging the development of sustainable agriculture is very important to reduce the negative impacts of overuse of the land. In this way, the use of intelligent materials that release nutrients in a prolonged way, associate with sustainable policies, can contribute to greener agriculture. It is interesting these materials are obtained through green processes and use biodegradable materials in their formulations. Based on this premise, the objective is to develop materials with macro and micronutrients in the same formulation. First, microspheres loaded with micronutrients will be produced through the spray drying technique and then, added to a PVA matrix with macronutrients through thermal processing. Based on this methodology, it is expected the macronutrients will be first released, and after the micronutrients, since they are coated an extra layer of starch. The materials will be evaluated for nutrients release in water and soil, as well as characterized in structural, thermal and morphological form. (AU)

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