Response of genotypes under varying fertility levels and bio-fertilizer inoculations on growth and yield of Indian mustard (Brassica juncea L.)
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Authors
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Preeti Devatwal
Department of Agronomy, Agriculture University, Jodhpur 342304, Rajasthan, India
Author
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Jagdish Choudhary
Department of Agronomy, MPUAT, Udaipur 313001, Rajasthan, India
Author
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PR Raiger
Department of Agronomy, Agriculture University, Jodhpur 342304, Rajasthan, India
Author
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Sharvan Kumar Yadav
Department of Agronomy, MPUAT, Udaipur 313001, Rajasthan, India
Author
Keywords:
Bio-fertilizer, fertilizer level, growth, Indian mustard, yieldAbstract
A study was conducted in the rabi season of 2020-21 to assess the response of genotypes under varying fertility levels
and bio-fertilizer inoculations on growth and yield of Indian mustard under humid and sub humid conditions. The sixteen
treatment combinations of four genotypes of Indian mustard (Bio 902, DRMRIJ 31, RH 749 and NRCHB 101) and four
fertility levels i.e. 75 % RDF (45 kg N + 30 kg P2O5 /ha) 100 % RDF (60 kg N + 40 kg P2O5 /ha), 75 % RDF + biofertilizer (liquid
PSB and Azotobactor) and 100 % RDF + biofertilizer were taken in a factorial randomized complete block design with
three replications. Among the various genotypes, ‘DRMRIJ 31’ recorded the maximum growth characteristics viz, plant
height (49 186 and 207 cm), dry matter accumulation (17, 30 and 75 g/plant) at 30, 60 and at harvest and leaf area index (4.1)
at 60 DAS, respectively. Among the fertility levels, 100% RDF + bio fertilizers recorded the maximum values of plant
height, dry matter accumulation and leaf area index. The maximum seed yield (1812 kg/ha), stover yield (5123 kg/ha) and
biological yield (6935 kg/ha) were recorded with DRMRIJ 31. Among fertility levels, the maximum seed yield (1694 kg/ha),
stover yield (5065 kg/ha) and biological yield (6759 kg/ha) obtained under 100 % RDF + bio-fertilizer.
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