Yield gap analysis of recommended soybean (Glycine max) production technologies and their impact on energy and carbon budgeting


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Authors

  • RAKESH KUMAR VERMA ICAR-Indian Institute of Soybean Research, Khandwa Road, Indore (MP)-452001
  • SUNIL DATT BILLORE ICAR-Indian Institute of Soybean Research, Khandwa Road, Indore (MP)-452001
  • RAGHAVENDRA M ICAR-Indian Institute of Soybean Research, Khandwa Road, Indore (MP)-452001

https://doi.org/10.56093/ijas.v92i8.95904

Keywords:

Carbon use efficiency, carbon intensity, energy, energy use efficiency, energy productivity, soybean, Yield

Abstract

 A field experiment was conducted during rainy (kharif) season of 2017–18 at Research farm of ICAR-IISR, Indore, Madhya Pradesh, to study the effect of different agronomic practices on productivity, energy indices and carbon balance of soybean [Glycine max (L.) Merr.]. The additional use of micronutrients (Zn, B and Mo) and secondary nutrients along with full package of practices showed positive yield effect by 6.08% and 3.20% as compared to whole package. The narrow row planting (30 cm) and 50% RDF + 2% urea spray along with full package of practices had very little negative effect on the yield. On pooled average basis, the deletion of any recommended practice from the full package of practices reduced the yield by 1.14–71.69%. The highest yield reduction was associated with the 50% reduction of seed rate in full package of practices. Energy output followed the similar trend as observed in seed yield. Highest energy use efficiency was recorded with 50% RDF + 2% urea spray. The maximum specific energy and energy profitability was registered under full package of practices + 50% (30 kg/ha) seed rate treatment. Highest carbon use efficiency was registered with full package of practices without RDF. Thus, when comparing the carbon intensity (biomass and seed), the maximum carbon intensity was associated with full package of practices + 50% seed rate.

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Author Biographies

  • RAKESH KUMAR VERMA, ICAR-Indian Institute of Soybean Research, Khandwa Road, Indore (MP)-452001

    Scientist (Agronomy), Division of Crop Production, ICAR-Indian Institute of Soybean Research, Indore (MP)-452001

  • SUNIL DATT BILLORE, ICAR-Indian Institute of Soybean Research, Khandwa Road, Indore (MP)-452001

    Principal Scientist (Agronomy), Division of Crop Production, ICAR-Indian Institute of Soybean Research, Indore (MP)-452001

  • RAGHAVENDRA M, ICAR-Indian Institute of Soybean Research, Khandwa Road, Indore (MP)-452001

    Scientist (Agronomy), Division of Crop Production, ICAR-Indian Institute of Soybean Research, Indore (MP)-452001

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Submitted

2019-12-05

Published

2022-04-13

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How to Cite

VERMA, R. K., BILLORE, S. D., & M, R. (2022). Yield gap analysis of recommended soybean (Glycine max) production technologies and their impact on energy and carbon budgeting. The Indian Journal of Agricultural Sciences, 92(8), 947-951. https://doi.org/10.56093/ijas.v92i8.95904
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