Media type: E-Article Title: EFFECTS OF SOIL PREPARATION ON DTPA-EXTRACTABLE ELEMENTS IN SOILS OF THE NORTHERN GREAT PLAINS Contributor: SEVERSON, R. C.; McNEAL, J. M.; DICKSON, J. J. Published: Ovid Technologies (Wolters Kluwer Health), 1979 Published in: Soil Science, 128 (1979) 2, Seite 70-79 Language: English DOI: 10.1097/00010694-197908000-00002 ISSN: 0038-075X Keywords: Soil Science Origination: Footnote: