Spatial variability of potassium in agricultural soils of the canton of Fribourg, Switzerland

Autor: Blanchet, Guillaume, Libohova, Zamir, Joost, Stéphane, Rossier, Nicolas, Schneider, André, Jeangros, Bernard, Sinaj, Sokrat
Zdroj: In Geoderma 15 March 2017 290:107-121
Databáze: ScienceDirect