海量图书期刊资源,随时随地畅享阅读乐趣
A Rigsby stage with remote computer compatible outputV.I. Morgan; E.R. Davis; E. Wehrle · 1984
A Model for Agro-Economic Analysis of Soil pH MappingV.I. Adamchuk; M.T. Morgan; James M. Lowenberg-Deboer · 2004
Direct measurement of soil chemical properties on-the-go using ion-selective electrodesV.I. Adamchuk; E.D. Lund; B. Sethuramasamyraja; M.T. Morgan; A. Dobermann; D.B. Marx · 2005
The lead pollution history of Law Dome, Antarctica, from isotopic measurements on ice cores: 1500 AD to 1989 ADP. Vallelonga; K. Van de Velde; J.-P. Candelone; V.I. Morgan; C.F. Boutron; K.J.R. Rosman · 2002
Recent advances in measurement of Pb isotopes in polar ice and snow at sub-picogram per gram concentrations using thermal ionisation mass spectrometryP. Vallelonga; K. Van de Velde; J.P. Candelone; C. Ly; K.J.R. Rosman; C.F. Boutron; V.I. Morgan; D.J. Mackey · 2002