Integrated nutrient management is the adjustment of plant nutrient supply to an optimum level for sustaining the desired crop productivity. In this study, a field experiment was conducted during two consecutive years 2019-20 and 2020-21 at High- tech unit, Department of Horticulture, Udaipur. The experiment consisting fourteen treatments under randomized block design with three replications. Application of different doses of farm yard manure, chemical fertilizers and silicon increased the yield, quality parameters and economics of cauliflower over the control. The results showed that maximum yield (277.53 q/ha), colour value (L* 87.05, a* 1.849 and b* 29.78), compactness of curd (9.21), TSS content (7.34 %), ascorbic acid content (75.26 mg/100g) and gross return (416292.00 Rs/ha) were recorded in treatment T14 (50 % RDN by FYM + 50 % RDF + 100 kg silicon/ha), while the maximum net return (325066.14 Rs/ha) and B:C ratio (4.10) were found in treatment T10 (75 % RDF + 100 kg Si/ha) as compared to control. It is concluded that the integrated use of silicon along with manures and chemical fertilizers enhanced growth, yield and quality parameters of cauliflower.