Spatial and Temporal Variability Management for All Farmers: A Cell-Size Approach to Enhance Coffee Yields and Optimize Inputs

Coffee yield exhibits plant-level variability; however, due to operational issues, especially in smaller operations, the scouting and management of coffee yields are often hindered. Thus, a cell-size approach at the field level is proposed as a simple and efficient solution to overcome these constra...

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Main Authors: Eudocio Rafael Otavio da Silva, Thiago Lima da Silva, Marcelo Chan Fu Wei, Ricardo Augusto de Souza, José Paulo Molin
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Plants
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Online Access:https://www.mdpi.com/2223-7747/14/2/169
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author Eudocio Rafael Otavio da Silva
Thiago Lima da Silva
Marcelo Chan Fu Wei
Ricardo Augusto de Souza
José Paulo Molin
author_facet Eudocio Rafael Otavio da Silva
Thiago Lima da Silva
Marcelo Chan Fu Wei
Ricardo Augusto de Souza
José Paulo Molin
author_sort Eudocio Rafael Otavio da Silva
collection DOAJ
description Coffee yield exhibits plant-level variability; however, due to operational issues, especially in smaller operations, the scouting and management of coffee yields are often hindered. Thus, a cell-size approach at the field level is proposed as a simple and efficient solution to overcome these constraints. This study aimed to present the feasibility of a cell-size approach to characterize spatio-temporal coffee production based on soil and plant attributes and yield (biennial effects) and to assess strategies for enhanced soil fertilization recommendations and economic results. The spatio-temporal study was conducted using a database composed of yield and soil and plant attributes from four harvest seasons of coffee plantation in the southeast region of Brazil. We used small plots as cells, where soil, leaf, and yield samples were taken, and the average value of each variable was assigned to each cell. The results indicated that macro- and micronutrient contents in the soil and leaves exhibited spatio-temporal heterogeneity between cells, suggesting that customized coffee tree management practices could be employed. The cell-size sampling strategy identified regions of varying yield over time and associated them with their biennial effect, enabling the identification of profitable areas to direct resource and input management in subsequent seasons. This approach optimized the recommendation of potassium and phosphate fertilizers on farms, demonstrating that localized management is feasible even with low spatial resolution. The cell-size approach proved to be adequate on two coffee farms and can be applied in scenarios with limited resources for high-density sampling, especially for small- and medium-sized farms.
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spelling doaj-art-0763f93d9d4946249c903831c3ecba582025-01-24T13:46:35ZengMDPI AGPlants2223-77472025-01-0114216910.3390/plants14020169Spatial and Temporal Variability Management for All Farmers: A Cell-Size Approach to Enhance Coffee Yields and Optimize InputsEudocio Rafael Otavio da Silva0Thiago Lima da Silva1Marcelo Chan Fu Wei2Ricardo Augusto de Souza3José Paulo Molin4Laboratory of Precision Agriculture (LAP), Department of Biosystems Engineering, “Luiz de Queiroz” College of Agriculture (ESALQ), University of São Paulo (USP), Piracicaba 13418-900, São Paulo, BrazilLaboratory of Agricultural Machinery and Precision Agriculture (LAMAP), Department of Biosystems Engineering, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba 13418-900, São Paulo, BrazilLaboratory of Precision Agriculture (LAP), Department of Biosystems Engineering, “Luiz de Queiroz” College of Agriculture (ESALQ), University of São Paulo (USP), Piracicaba 13418-900, São Paulo, BrazilFaculty of Civil Engineering, Architecture and Urbanism (FECFAU), State University of Campinas, Campinas 13083-970, São Paulo, BrazilLaboratory of Precision Agriculture (LAP), Department of Biosystems Engineering, “Luiz de Queiroz” College of Agriculture (ESALQ), University of São Paulo (USP), Piracicaba 13418-900, São Paulo, BrazilCoffee yield exhibits plant-level variability; however, due to operational issues, especially in smaller operations, the scouting and management of coffee yields are often hindered. Thus, a cell-size approach at the field level is proposed as a simple and efficient solution to overcome these constraints. This study aimed to present the feasibility of a cell-size approach to characterize spatio-temporal coffee production based on soil and plant attributes and yield (biennial effects) and to assess strategies for enhanced soil fertilization recommendations and economic results. The spatio-temporal study was conducted using a database composed of yield and soil and plant attributes from four harvest seasons of coffee plantation in the southeast region of Brazil. We used small plots as cells, where soil, leaf, and yield samples were taken, and the average value of each variable was assigned to each cell. The results indicated that macro- and micronutrient contents in the soil and leaves exhibited spatio-temporal heterogeneity between cells, suggesting that customized coffee tree management practices could be employed. The cell-size sampling strategy identified regions of varying yield over time and associated them with their biennial effect, enabling the identification of profitable areas to direct resource and input management in subsequent seasons. This approach optimized the recommendation of potassium and phosphate fertilizers on farms, demonstrating that localized management is feasible even with low spatial resolution. The cell-size approach proved to be adequate on two coffee farms and can be applied in scenarios with limited resources for high-density sampling, especially for small- and medium-sized farms.https://www.mdpi.com/2223-7747/14/2/169biennial effecteconomic evaluationfield leveloptimized soil fertilizationspatio-temporal analysis
spellingShingle Eudocio Rafael Otavio da Silva
Thiago Lima da Silva
Marcelo Chan Fu Wei
Ricardo Augusto de Souza
José Paulo Molin
Spatial and Temporal Variability Management for All Farmers: A Cell-Size Approach to Enhance Coffee Yields and Optimize Inputs
Plants
biennial effect
economic evaluation
field level
optimized soil fertilization
spatio-temporal analysis
title Spatial and Temporal Variability Management for All Farmers: A Cell-Size Approach to Enhance Coffee Yields and Optimize Inputs
title_full Spatial and Temporal Variability Management for All Farmers: A Cell-Size Approach to Enhance Coffee Yields and Optimize Inputs
title_fullStr Spatial and Temporal Variability Management for All Farmers: A Cell-Size Approach to Enhance Coffee Yields and Optimize Inputs
title_full_unstemmed Spatial and Temporal Variability Management for All Farmers: A Cell-Size Approach to Enhance Coffee Yields and Optimize Inputs
title_short Spatial and Temporal Variability Management for All Farmers: A Cell-Size Approach to Enhance Coffee Yields and Optimize Inputs
title_sort spatial and temporal variability management for all farmers a cell size approach to enhance coffee yields and optimize inputs
topic biennial effect
economic evaluation
field level
optimized soil fertilization
spatio-temporal analysis
url https://www.mdpi.com/2223-7747/14/2/169
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AT ricardoaugustodesouza spatialandtemporalvariabilitymanagementforallfarmersacellsizeapproachtoenhancecoffeeyieldsandoptimizeinputs
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