Die invloed van stikstofbemesting volgens reenval op groei, opbrengs en stikstofbenutting van lentekoring in die Swartland by Du Plessis, Charl Petrus

Subjects: “…Nitrogen fertilizers -- South Africa -- Swartland…”
Get full text

Oxidative ammonolysis of technical lignins and lignites by Tyhoda, Luvuyo

Subjects: “…Nitrogen fertilizers -- South Africa…”
Get full text

Biomass production, yield and quality response of spring wheat to soil tillage, crop rotation and nitrogen fertilisation in the Swartland wheat producing area of South Africa by Maali, Safiah Hasan

Subjects: “…Nitrogen fertilizers -- South Africa…”
Get full text