Abstract
A field experiment was conducted at Crop Research Center, Sardar Vallabhbhai Patel University of Agriculture & Technology, Meerut, Uttar Pradesh, to assess the effect of different nutrients and their integration on growth, yield and quality of Indian mustard (Brassica juncea L.). Indian mustard cultivar Pusa Mustard 31(PDZM -31) was grown during winter (rabi) season of 2020-21. The treatments comprised of Control (T1), 100% N (T2), 100% NP (T3), 100% NPK (T4), 125%NPK (T5), 100% NPK+ S@40kg ha-1 (T6), 100%NPK+ Zn @5kg ha-1 (T7), 100%NPK + B @1kg ha-1 (T8), 75% NPK+ Vermicompost @ 2t ha-1 (T9), 75%NPK+ Farm Yard Manure @ 6t ha-1 (T10), 75%NPK + VC @ 2t ha-1+ Azotobacter (T11) and 75% NPK + FYM @ 6t ha-1 + Azotobacter (T12). Results revealed that treatment T11 (75% NPK + VC@2t ha-1 + Azotobacter) and T12 (75% NPK + FYM@6t ha-1 + Azotobacter) exhibited significant influence on the growth, yield and quality of mustard as compared to the application of 100% NPK alone. Significant improvement in growth parameters viz. plant height, leaf area index, dry matter accumulation as well as crop growth rate, relative growth rate and yield was recorded with the application of T11 and T12. Maximum oil content (40.67%) was obtained in T6 (100% NPK+ S@ 40kg ha-1) and maximum oil yield (796.76 kg ha-1) was obtained in T12, it remained at par with T5, T6, T10 and T11. Maximum protein content (21.75%) was found in T12 which was on par with T5, T9, T10 & T12. The maximum protein yield (492.88 kg ha-1) was obtained in treatment T12 which was statistically on par with T11, T5 and T6 respectively. T11 and T12 exhibited significant influence on the growth and yield of mustard as compared to other treatments respectivity. Integration of inorganic and organic sources of nutrients improved the growth parameters, yield and quality parameters of Indian mustard, whereas the use of chemical fertilizer alone showed a pronounced decline of these parameters.
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