Variation of standardized precipitation index (SPI) over southern West Bengal and its effect on jute yield

Authors

  • KAUSHIK MAITY Department of Agricultural Meteorology and Physics, BCKV, Mohanpur 741252, Nadia, West Bengal
  • SAON BANERJEE Department of Agricultural Meteorology and Physics, BCKV, Mohanpur 741252, Nadia, West Bengal
  • MANISH KUMAR NASKAR Department of Agricultural Meteorology and Physics, BCKV, Mohanpur 741252, Nadia, West Bengal
  • SARATH CHANDRAN ICAR-Central Research Institute for Dryland Agriculture, Hyderabad
  • SARATHI SAHA Department of Agricultural Meteorology and Physics, BCKV, Mohanpur 741252, Nadia, West Bengal
  • ASIS MUKHERJEE Department of Agricultural Meteorology and Physics, BCKV, Mohanpur 741252, Nadia, West Bengal
  • KUSHAL SARMAH Department of Agricultural Meteorology and Physics, BCKV, Mohanpur 741252, Nadia, West Bengal

DOI:

https://doi.org/10.54386/jam.v10i1.2328

Keywords:

Rainfall, Standardized Precipitation Index, Jute, Yield Reduction Index

Abstract

West Bengal is a key producer of raw jute fiber in the country. Identifying and managing dry spells during the jute growing period is crucial, necessitating contingency crop planning for enhanced productivity. Keeping this view in mind, standardized precipitation index (SPI) was calculated over five locations, representing five different districts of southern West Bengal. These locations are Barrackpore (North 24 Parganas District), Panagarh (Burdwan District), Bagati (Hooghly District), Krishnanagar (Nadia District) and Uluberia (Howrah District). This rainfall dependent dryness index (SPI) was calculated in 1 month and 3 months interval to identify short term dryness as well as mid-term dryness, applicable for seasonal crops. The trend analysis of the SPI values indicated that North 24 Parganas and Nadia experienced increased dryness during vegetative phase of Jute. Nadia district showed a significant increase in both short term and long-term dryness. The yield reduction index is well correlated with SPI values in all the study locations except Howrah. Arrangement of irrigation during the early stages of Jute can help the crop to cope up with the break of monsoon in this region

References

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Published

01-03-2024

How to Cite

MAITY, K., BANERJEE, S., NASKAR, M. K., CHANDRAN , S., SAHA, S., MUKHERJEE, A., & SARMAH, K. (2024). Variation of standardized precipitation index (SPI) over southern West Bengal and its effect on jute yield. Journal of Agrometeorology, 26(1), 74–79. https://doi.org/10.54386/jam.v10i1.2328

Issue

Vol. 26 No. 1 (2024): March

Section

Research Paper

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Copyright (c) 2024 KAUSHIK MAITY, SAON BANERJEE, MANISH KUMAR NASKAR, SARATH CHANDRAN , SARATHI SAHA, ASIS MUKHERJEE, KUSHAL SARMAH

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