Source from: https://earthobservatory.nasa.gov/features/PrecisionFarming Imagine you are a farmer riding along in your 50,000-acre wheat field early in the growing season. You push a button on your tractor to turn on its Global Positioning System (GPS) monitor, which pinpoints your exact location to within one meter. Touching another button, you display a series of Geographical Information System (GIS) maps that show where the soil in your field is moist, where the soil eroded over the winter, and where there are factors within the soil that limit crop growth. Next, you upload remote sensing data, collected just yesterday, that shows where your budding new crop is already thriving and areas where it isn’t. You hit SEND to upload these data into an onboard machine that automatically regulates the application of fertilizer and pesticides—just the right amount and exactly where the chemicals are needed. You sit back and enjoy the ride, saving money as the machines do most of the