Dr. Raymond Weil and Dr. Pedro Sanchez
SoilDoc is a portable, on-site soil testing kit that provides tailored fertilizer and organic input recommendations for farms. The SoilDoc uses state-of-the-art battery-powered instruments to test soil pH, biologically active soil organic matter, electrical conductivity and micronutrients such as nitrate, sulphate, phosphate and potassium. The kit uses an Android device to transmit soil information electronically, allowing extension workers to make on-the-spot diagnoses of soil constraints and targeted advice to farmers.
This product is a prototype.
Tanzania, Ethiopia, and Nigeria
Agricultural Extension Agents
Prototype. At the moment (August 2016) they are manufacture individually.
The SoilDoc is still being field-tested.
As of 2014 there are five kits in Zambia, 15 in Tanzania and 100 in Nigeria.
The accuracy range, %
List of the parameters the technology measures
How is the product powered?
What types of sensors are installed?
The soil fertility parameters analyzed with the SoilDoc field kit include soil pH, biologically active soil organic matter, electrical conductivity (indicative of general fertility levels and salinity issues), and 0.01 M calcium chloride extractable nitrate-N, sulfate-S, phosphate-P, and potassium-K. It has the capability to test nutrients in sap of growing crops for a snapshot of crop nutrients regarding nitrogen, phosphorus, sulfur, potassium. The kit also includes tools to measure soil physical properties like surface sealing strength, compaction and volumetric soil water content.
The SoilDoc is still in its prototype phase.
Environmentally safe materials for agricultural extension agents to handle in the field.
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