15/09/2015 · Sulfur (S) is an essential element for plant growth. The yearly export of S in harvested products ranges from 4 to 30 kg ha −1 (Zhao et al. 2002), and is of same order of magnitude as that of, S has received relatively little attention as a plant nutrient, because inputs through atmospheric deposition and appliion of Scontaining macronutrient fertilisers ( single super ...