A simple new way to check healthy plant growth

A team of agricultural scientists working with the CSIRO has invented a digital device called the Chameleon, which offers a simple new way to measure how moist the soil is under crops. It only costs a few dollars to manufacture, making it a truly viable solution for farming communities around the world. Quite often the only way of currently knowing if crops are getting enough, or too much, water is to wait until the plant shows physical signs of stress.
https://blog.csiro.au/good-karma-for-water-saving-chameleon/

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