Water Table Diagram Small 320×201 Medium 640×402 Large 1024×643 Download Tiff Original 2400×1508 | (1.8 MB) Description Illustrated are diagrams to explain the effect of lowering the water table by means of under draining. In undrained soil the root don't penetrate deeply. This harms the plants if a drought comes. Keywords water table, water table diagram Galleries Irrigation Source: L. H. Bailey Standard Cyclopedia of Horticulture (New York, New York: The MacMillan Company, 1917)