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Deep Percolation Loss

When the coffee percolator at home breaks down your parents start to suffer from what doctors call Deep Percolation Loss! Actually this type of loss has nothing to do with coffee, but you can tell that one to your parents anyway. Deep percolation loss is really the amount of water that goes deeper into the soil than do the roots of the crop being irrigated. This water than becomes unavailable and useless to the crops. Deep percolation losses happen where the soil is gravelly or sandy and when more water was applied than was needed.