298 - AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH - CONGRESS

[PDF]1 - IUSS www.iuss.org/.../1974_10_kothpecc__10th_congress_ii_compressed.pdf Extraction of potassium from twenty one soils with a cation-exchange resin ..... M.V.Gama und M.L.B.Sousa. Extraktion von ..... Department of Soil Science and Plant Nutrition, Institute ...... CSIRO, Pastoral Research Laboratory , Department of Agronomy, .... Cpencer K., Preney J.R. Australian Journal of Agricultural Research