PDF]1 - The International Union of Soil Sciences

www.iuss.org/.../1974_10_kothpecc__10th_congress_ii_compressed.pdf

1. Semelhante

CONGRESS OF SOIL SCIENCE. II. INTERNATIONAL ..... Extraction of potassium from twenty one soils with a cation-exchange ... A new method for the complex evaluation of the humus quality and .... M.V.Gama und M.L.B.Sousa. Extraktion von ...... Ruakura Agricultural Research Centre, Hamilton, New Zealand. Introduction.