ET gauges are employed with infrared sensors to measure heat emitted from the canopy of crops. This process schedules water released to individual parts of the crop field. The International Water Management Institute found that enough water is in place to serve humankind through 2050. Africa and Latin America are slated to have less rain. India and China will experience more rain and less snow. Valuing water leads to changes in human behavior.
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Source: www.basilandspice.com