Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Biodegradable Cashew Gum Hydrogel in Mombasa Grass Pas-Ture: A Sustainable Option for Agriculture

Dhiéssica Morgana Alves Barros
,
Ricardo Loiola Edvan
* ORCID logo ,
João Paulo Matos Pessoa
ORCID logo ,
Romilda Rodrigues do Nascimento
,
Luan Felipe Reis Camboim
,
Leilson Rocha Bezerra
,
Marcos Jácome de Araújo
ORCID logo ,
Heldeney Rodrigues Sousa
,
Edson C. Silva-Filho
ORCID logo
Version 1 : Received: 2 October 2023 / Approved: 2 October 2023 / Online: 2 October 2023 (16:48:28 CEST)

A peer-reviewed article of this Preprint also exists.

Barros, D.M.A.; Edvan, R.L.; Pessoa, J.P.M.; Nascimento, R.R.; Camboim, L.F.R.; Bezerra, L.R.; Araújo, M.J.; Sousa, H.R.; Silva-Filho, E.C. Hydrogel Based on Cashew Gum and Polyacrylamide as a Potential Water Supplier in Mombaça Grass Pastures: A Sustainable Alternative for Agriculture. Sustainability 2023, 15, 16423. Barros, D.M.A.; Edvan, R.L.; Pessoa, J.P.M.; Nascimento, R.R.; Camboim, L.F.R.; Bezerra, L.R.; Araújo, M.J.; Sousa, H.R.; Silva-Filho, E.C. Hydrogel Based on Cashew Gum and Polyacrylamide as a Potential Water Supplier in Mombaça Grass Pastures: A Sustainable Alternative for Agriculture. Sustainability 2023, 15, 16423.

Abstract

Hydrogels are water-absorbing polymers that can hydrate forage plants in the soil. The objec-tive was to evaluate the replacement of synthetic hydrogels derived from petroleum by biode-gradable hydrogels in Mombaça grass pastures (Megathyrsus maximum). The experimental treat-ments consisted of: No hydrogel (NH); Synthetic commercial hydrogel (CH), made from a syn-thetic polyacrylamide product; and Biodegradable test hydrogel (TH), obtained from cashew gum (Anacardium occidentale). The experimental design was randomized blocks with five replica-tions and three treatments. Morphogenesis, production, chemical and mineral composition of the Mombaça grass pasture were assessed. The data was subjected to analysis of variance and mean comparison by the Snott-Knott test at 5% probability. Leaf elongation rate was 42.3 mm day-1 in the TH treatment, which was higher (P<0.05) than NH (35.0 mm day-1). Green leaf mass yield was higher in TH in comparison to NH and CH. On the other hand, there was no effect of hydration on chemical composition. The mineral composition of Mombaça grass showed more Zn when TH was used. It can be concluded that biodegradable hydrogels can replace synthetic commercial hydrogels in pastures.

Keywords

chemical composition; Megathyrsus maximus; morphogenesis; organic hydrogel; planting gel; polymers; synthetic hydrogel.

Subject

Biology and Life Sciences, Agricultural Science and Agronomy

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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