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Accuracy and accessibility in soil color determination: A comparative analysis of Munsell Chart, colorimeter, and smartphone in Amazonian soils

Author:

José Odair da Silva,João Fernandes da Silva Júnior,Lívia da Silva Santos,Gener Tadeu Pereira,Eduarda Cavalcante Amorim,Rômulo José Alencar Sobrinho,Daniel Pereira Pinheiro

Publication:

Computers and Electronics in Agriculture

Publisher:

Elsevier

Date:

December 2025

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