Virginia Tech, Extension Service2019-06-242019-06-241946-06-27http://hdl.handle.net/10919/90502Close-up of soil surface in alfalfa on McPherson's farm. Nore drying and cracking of soil. Knife for comparative size. Conditions existed following 10 day drought period4 x 5 inchesimage/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Soil and Water ConservationIrrigationIrrigationPhotographBiological Systems Engineering, Virginia Tech