Silvia Hildegard Haneklaus (born 17 October 1959) is a German agricultural scientist and researcher specialised in Plant nutrition and Soil science.

agr.” at the Faculty of Agriculture in Kiel with a thesis about fertilizer strategies to combat uptake of radionuclides by food plants in the aftermath of the reactor disaster in Chernobyl.

[2] From 1990 to 1991 Haneklaus was principal investigator of a technology-transfer project for Precision agriculture (PA) at the Institute of Plant Nutrition and Soil Science at CAU in Kiel.

[5] In 2002 Haneklaus was appointed Director & Professor at the Federal Agricultural Research Institute (FAL), since 2008 Julius Kühn-Institut (JKI) in Braunschweig.

Issues of sulfur nutrition of crop plants, with focus on resistance to abiotic and biotic stress were later one of her main research subjects.