Publication detail

Slow-Release Nitrogen Fertilizers with Biodegradable Poly(3-hydroxybutyrate) Coating: Their Effect on the Growth of Maize and the Dynamics of N Release in Soil

KONTÁROVÁ, S. PŘIKRYL, R. ŠKARPA, P. KRIŠKA, T. ANTOŠOVSKÝ, J. GREGUŠKOVÁ, Z. FIGALLA, S. JAŠEK, V. SEDLMAJER, M. MENČÍK, P. MIKOLAJOVÁ, M.

Original Title

Slow-Release Nitrogen Fertilizers with Biodegradable Poly(3-hydroxybutyrate) Coating: Their Effect on the Growth of Maize and the Dynamics of N Release in Soil

Type

journal article in Web of Science

Language

English

Original Abstract

Fertilizers play an essential role in agriculture due to the rising food demand. However, high input fertilizer concentration and the non-controlled leaching of nutrients cause an unwanted increase in reactive, unassimilated nitrogen and induce environmental pollution. This paper investigates the preparation and properties of slow-release fertilizer with fully biodegradable poly(3-hydroxybutyrate) coating that releases nitrogen gradually and is not a pollutant for soil. Nitrogen fertilizer (calcium ammonium nitrate) was pelletized with selected filler materials (poly(3-hydroxybutyrate), struvite, dried biomass). Pellets were coated with a solution of poly(3-hydroxybutyrate) in dioxolane that formed a high-quality and thin polymer coating. Coated pellets were tested in aqueous and soil environments. Some coated pellets showed excellent resistance even after 76 days in water, where only 20% of the ammonium nitrate was released. Pot experiments in Mitscherlich vegetation vessels monitored the effect of the application of coated fertilizers on the development and growth of maize and the dynamics of N release in the soil. We found that the use of our coated fertilizers in maize nutrition is a suitable way to supply nutrients to plants concerning their needs and that the poly(3-hydroxybutyrate) that was used for the coating does not adversely affect the growth of maize plants.

Keywords

slow-release; nitrogen fertilizers; coating; poly(3-hydroxybutyrate); ammonium nitrate; biode-gradable; dioxolane; biomass; control-release; maize

Authors

KONTÁROVÁ, S.; PŘIKRYL, R.; ŠKARPA, P.; KRIŠKA, T.; ANTOŠOVSKÝ, J.; GREGUŠKOVÁ, Z.; FIGALLA, S.; JAŠEK, V.; SEDLMAJER, M.; MENČÍK, P.; MIKOLAJOVÁ, M.

Released

14. 10. 2022

Publisher

MDPI

Location

Switzerland

ISBN

2073-4360

Periodical

Polymers

Year of study

14

Number

20

State

Swiss Confederation

Pages from

1

Pages to

20

Pages count

20

URL

https://www.mdpi.com/2073-4360/14/20/4323

Full text in the Digital Library

http://hdl.handle.net/11012/208518

BibTex

@article{BUT179529,
  author="Soňa {Kontárová} and Radek {Přikryl} and Petr {Škarpa} and Tomáš {Kriška} and Jiří {Antošovský} and Zuzana {Gregušková} and Silvestr {Figalla} and Vojtěch {Jašek} and Marek {Sedlmajer} and Přemysl {Menčík} and Mária {Mikolajová}",
  title="Slow-Release Nitrogen Fertilizers with Biodegradable Poly(3-hydroxybutyrate) Coating: Their Effect on the Growth of Maize and the Dynamics of N Release in Soil",
  journal="Polymers",
  year="2022",
  volume="14",
  number="20",
  pages="1--20",
  doi="10.3390/polym14204323",
  issn="2073-4360",
  url="https://www.mdpi.com/2073-4360/14/20/4323"
}