%0 Journal Article %T Adjustable Soil Coring Machine for Sampling in Tall Row Crops %A Hatfield, J. L. %A Schaaf, S. L. %J Agronomy Journal %V 85 %N 1 %P 175-178 %@ 0002-1962 %D 1993-01-01 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve