Trace and Rare Earth Elements in Soils from Selected Regions in Kenya in Perspective of Food Security

Soil is the primary source of trace and rare earth elements for plants, animals and humans beings.  There is an increasing risk for lower trace element concentration in forage crops and cereals which are produced in already overexploited and mismanaged local soils.  A reduction of the trace element concentration may result in an unhealthy low intake to plants, domestic animals and human beings and an increased risk for deficiency related symptoms and diseases.  Are crops showing signs of stunted growth, inter-veinal chlorosis, young leave dying, reduction in yield?  Are you experiencing fatigue, headaches, loss of taste, delayed wound healings, decreased work performance?  Have the trace and rare earth elements content of crops decreased as a result of increasing yield, depletion in soil and limited addition of inorganic fertilizers?  This study is aimed to ease some of the challenges associated with micronutrients deficiency in general by analyzing and availing information on trace and rare earth elements in soils from eight sites in Kenya, namely Kericho, Kitale, Marafa, Meru, Mbalambala, Morijo, Muranga and Narok using two nuclear analytical methods: TXRF and PGAA/PGNAA.

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