Determination of plant-available manganese from soils by acid ammonium acetate-EDTA extraction

by Oili Mohammadi, Markku Yli-Halla, Väinö Mäntylahti
Published 1991-04-01

Nitrogen fertilization of winter wheat in spring in Finland: comparison of calcium ammonium nitrate and calcium nitrate, and the effect of split application

by Oili Mohammadi, Leena Ristimäki, Stephan Vermeulen, Esko Viikari
Published 1991-04-01