286 - CONGRESS OF SOIL SCIENCE - CONGRESS

[PDF]1 - IUSS

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

1. Semelhante

1. CONGRESS OF SOIL SCIENCE ..... Extraction of potassium from twenty one soils with a cation-exchange resin. M.V.Gama and M.L.B.Sousa. 233. Dissociation