Imagine if consumers and farmers could measure the nutrient density of fresh produce on farms and in stores in seconds. Consumers would demand nutrient-dense produce because they could see it empirically at the point of sale. Farmers would get a premium for more nutritious crops. Higher prices would motivate farmers to develop farming practices that […]
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In case you missed the last post, we are building a reflectometer. The goal is a simple to use, low cost, flexible device for a variety of measurements including tree canopy, soil carbon, and food nutrient density. If you’re curious about the development process, IRNAS produced a great post walking through the steps from understanding the application to […]
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“But wait,” you say, “there are already some out there, and they are pretty well designed and reasonably priced!” Well, yes – there are full spectrometers like the Spectruino ($411), the Open Source Colorometer ($80 + $20 per LED) from IORodeo, and publications from universities describing open colorometer designs (Appropedia and MTU have a good one, but there […]
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