The uptake of nitrogen, potassium and sodium and their interrelated effects on yield and quality composition of sugar beet Y. Gutstein OriginalPaper 01 October 1968 Pages: 1 - 28
Variations saisonnières de la composition alimentaire des différents types de pâturage du Néguev septentrional d'Israël N. TadmorD. Lachover OriginalPaper 01 October 1968 Pages: 37 - 47
Biologische Aktivität des in Bulgarien kultivierten roten Fingerhuts, Digitalis Purpurea L. T. A. SchipotschlievJ. K. Jankulov OriginalPaper 01 October 1968 Pages: 65 - 70