Riikka Keskinen

Can Diffuse Mid Infrared Reflectance Provide Information on Soil Micronutrient Status?

Mercy Nyambura, Riikka Keskinen, Erick Towett, Keith Shepherd & Martti Esala · European Journal of Nutrition & Food Safety · 2015

Objectives: The objective of this study was to evaluate the potential of MIR to predict micronutrient status while reanalyzing archived soil (n=1649) samples after long-term storage (40 years). Methods: The infrared spectra of the samples collected from 30 countries from across t...

Open access Research Article 10.9734/EJNFS/2015/21072

Potential of MIR, TXRF and XRD as Complementary Techniques for Assessment of Soil Properties

Mercy Nyambura, Erick Towett, Andrew Sila, Keith Shepherd, Riikka Keskinen & Martti Esala · European Journal of Nutrition & Food Safety · 2015

Objectives: To evaluated the potential of combinations of MIR, TXRF and XRD techniques for prediction of soil properties. Methods: Using Random Forests (RF) algorithm, MIR prediction of soil properties for a set of geo-referenced soil samples associated with the Africa Soil Infor...

Open access Research Article 10.9734/EJNFS/2015/21095