Mustard crop is mainly grown in the marginal/poor soils mainly under rainfed conditions with marginal inputs. A field investigation was carried out at Regional Agriculture Testing and Demonstration Station Bilwa, Bareilly district of Uttar Pradesh. The influence of fertilization on yield and quality on growth, yield and seed quality of mustard (Brassica juncea L.) cultivar Kranti was studied. Fifteen treatments consisting of 100, 75 and 50 % of the recommended dose of fertilizers (RDF) either alone or with successive addition of farmyard manure (FYM 10 t/ ha, sulphur @ 40 kg S/ha, zinc @25 kg ZnSO₄/ha, boron@1kg/ B/ha) were tested. Application of 100 % recommended dose of fertilizers along with farmyard manure resulted in maximum seed weight (16 g/plant), 1000-seed weight(4 g), seed yield (2070 Kg/ha) and oil yield (836 kg/ha). The maximum oil content (41.75 percent) was recorded in treatment T15. The variations in growth and yield between 100, 75 and 50 % recommended dose of fertilizers with farmyard manure, were significant. Significantly higher oil content was recorded at 50 % recommended dose of fertilizers with farmyard manure, than over control. Hence, the application of recommended doses of sulphur, zinc, boron along with farm yard manure could be achieved for farmer’s economic profit.

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