Response Surface Optimization of Sugarcane Yield under Varying Agronomic Inputs in Chiredzi District, Zimbabwe.

Edwin Rupi; Philimon Nyamugure; Peter Chimwanda

doi:10.52589/AJMSS-5HAT9F7V

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Response Surface Optimization of Sugarcane Yield under Varying Agronomic Inputs in Chiredzi District, Zimbabwe.

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Publication Date: 2026-02-19

DOI: 10.52589/AJMSS-5HAT9F7V

Volume/Issue: Volume 9, Issue 1 (2026)

Page No: 72 - 86

Journal: African Journal of Mathematics and Statistics Studies

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Abstract:

This study aimed to optimize sugarcane yield using Response Surface Methodology (RSM). Through stratified random sampling and an emphasis on key agronomic variables, the research offered valuable insights to help farmers enhance their production practices. The yield, measured in tonnes per hectare for individual farmers, was analysed in relation to three influencing factors: the area planted, soil pH, and the organic matter content in the soil, across ten different plots. RSM was employed to develop a statistically validated predictive model, which was further refined through an optimization process. The analysis revealed a minimum yield of 87.5 tonnes per hectare, with soil pH and organic matter emerging as critical determinants. Optimal yield conditions were associated with a soil pH of 6.5 and organic matter levels exceeding 1.85%.

Keywords:Response Surface MethodologySteepest AscentOptimizationCentral Composite Design (CCD).

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All articles are published open access under the Creative Commons Attribution 4.0 International (CC BY 4.0) licence, which permits use, sharing, adaptation, distribution, and reproduction in any medium or format, including for commercial purposes, provided appropriate credit is given to the original author(s) and source.

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Copyrights

Authors retain copyright in their articles and have unrestricted rights to reuse, republish, archive, share, and distribute their work after publication.
All articles are published open access under the Creative Commons Attribution 4.0 International (CC BY 4.0) licence, which permits use, sharing, adaptation, distribution, and reproduction in any medium or format, including for commercial purposes, provided appropriate credit is given to the original author(s) and source.