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HS980: How to Conduct an On-farm Dye Test and Use the Results to Improve Drip Irrigation Management in Vegetable Production

Figure 4. Water redistribution in the presence of an impermeable layer. In Quincy, FL on an Orangeburg loamy sand, dye appeared in the alleys (a). In Hendry county, the wetted zone has an omega shape when the water front reaches the impermeable layer (b).