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Greetings, I read the achives on the EnviroSCAN and still have some questions. I am involved in irrigation/fertilization management of drip irrigated vegetables in relatively porous soils. With drip irrigation in sandy soils there is always the problem of rapid downward water movement vs slower lateral movement. This makes it a bit difficult to use ETo values. I am interested in measuring this lateral movement in relation to the downward movement while using various application rates and emitter configurations. So, I was thinking that if I could dig a trench so as to be able to insert an access tube for the EnviroSCAN parallel to the surface, I could look at the lateral flow. Can I do it?? How close can I get to the surface, etc?? Any other ideas?? Thank you, Alan S. Wicks awicks@televar.com Tri-cities, Washington, USA