Combined Effect of Diatomaceous Earth and Biostimulants on Peanut Yield and Profitability

Authors

  • Alberto Kevin Bravo-Sánchez Escuela Superior Politécnica Agropecuaria de Manabí Manuel Félix López https://orcid.org/0009-0006-6704-2223
  • Cristhian Fernando Del-Valle-Zambrano Escuela Superior Politécnica Agropecuaria de Manabí Manuel Félix López
  • Saskia Valeria Guillén-Mendoza Escuela Superior Politécnica Agropecuaria de Manabí Manuel Félix López https://orcid.org/0000-0002-1725-8548
  • Kelvin Damian Alcívar-Medina Escuela Superior Politécnica Agropecuaria de Manabí Manuel Félix López
  • Néstor Leopoldo Tarazona-Meza Escuela Superior Politécnica Agropecuaria de Manabí Manuel Félix López https://orcid.org/0000-0002-2145-6475
  • Galo Alexander Cedeño-García Escuela Superior Politécnica Agropecuaria de Manabí Manuel Félix López https://orcid.org/0000-0002-0927-5807

DOI:

https://doi.org/10.51252/raa.v6i2.1530

Keywords:

arachis hypogaea, economic benefit, bioactivators, diatomite, productivity

Abstract

The objective of this study was to evaluate the effect of biostimulation and diatomaceous earth on peanut yield and profitability. The research was conducted during the rainy seasons of 2023 and 2024 in the Carrizal River valley, Manabí province, Ecuador. Two treatments were evaluated: Biostimulation + diatomaceous earth (DE+BIO) and control treatment. The main variables recorded were pod yield, grain yield, SPAD chlorophyll index, relative leaf water content (RWC), specific leaf weight (SLW), and economic profitability. The data were analyzed using Student's t-test for independent samples. Treatment with DE+BIO significantly affected (p<0.05) the variables analyzed. The application of DE+BIO increased pod yield (+22.61%), grain yield (+22.14%), SPAD chlorophyll index (+14.97%), RWC (+13.63%) and SLW (+22.97%) on average, compared to the control treatment. The economic profitability with the combined application of DE+BIO was increased by an average of 32.97% compared to the control treatment. The use of diatomaceous earth and biostimulants in peanut cultivation is presented as a viable alternative from both a productive and economic point of view.

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Published

2026-07-20

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Bravo-Sánchez, A. K., Del-Valle-Zambrano, C. F., Guillén-Mendoza, S. V., Alcívar-Medina, K. D., Tarazona-Meza, N. L., & Cedeño-García, G. A. (2026). Combined Effect of Diatomaceous Earth and Biostimulants on Peanut Yield and Profitability. Revista Agrotecnologica Amazonica, 6(2), e1530. https://doi.org/10.51252/raa.v6i2.1530

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Vol. 6 No. 2 (2026): Revista Agrotecnológica Amazónica

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Copyright (c) 2026 Alberto Kevin Bravo-Sánchez, Cristhian Fernando Del-Valle-Zambrano, Saskia Valeria Guillén-Mendoza, Kelvin Damian Alcívar-Medina, Néstor Leopoldo Tarazona-Meza, Galo Alexander Cedeño-García

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