Sulfur is one of the macronutrients that plants need in adequate amounts. This element is needed by shallot plants more than by other cultivated plants. The aim of this study is to determine the impact of sulphur application from waste from gas mining on the growth and yield of the lembah palu shallot variety. The study was split into two parts: a greenhouse experiment and a field experiment. The method of fully randomised design was used in greenhouse experiments, while the randomised block design was used in field experiments, with treatments like P1 = no standard fertiliser application and sulphur, and P2 = standard fertiliser application and sulphur. P2 denotes the use of standard fertilisers (N, P, K, and manure) without the addition of sulphur, P3 denotes the use of standard fertilisers with sulphur, and P4 denotes the use of sulphur without the use of standard fertilisers. The findings show that the fertilisation procedure had a major impact on plant height at 30 dap and tuber fresh weight in the greenhouse experiment. Standard fertiliser applications, when combined with sulphur fertilisers, were found to be superior to other treatments. When opposed to a non-fertilized method, this treatment raises tuber fresh weight by 19.5 percent. Fertilization treatment has a major impact on plant dry weight at harvest, tuber fresh weight, and tuber yield per hectare in the field experiment. Standard fertiliser applications, when combined with sulphur fertilisers, were found to be superior to other treatments. This procedure resulted in a more than twofold rise in plant dry weight and tuber fresh weight, respectively.
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