Performance evaluation of proximal sensors for soil assessment in smallholder farms in Embu County, Kenya

Four proximal soil sensors were tested at four smallholder farms in Embu County, Kenya: a portable X-ray fluorescence sensor (PXRF), a mobile phone application for soil color determination by photography, a dual-depth electromagnetic induction (EMI) sensor, and a LED-based soil optical reflectance s...

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Bibliographic Details
Main Authors: Piikki, Kristin, Söderström, Mats, Eriksson, Jan, Muturi, John Jamleck, Muthee, Patrick Ireri, Wetterlind, Johanna, Lund, Eric
Format: Journal Article
Language:Inglés
Published: MDPI 2016
Subjects:
Online Access:https://hdl.handle.net/10568/78258

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