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Japan Panel Backs Replacing Rice Crop Indicator With ‘作況単収指数’

The new gauge compares annual yields with a trimmed five-year average to better reflect recent weather and field realities.

Overview

  • On September 29, the Statistics Commission approved a recommendation to abolish the long-used “作況指数” and introduce “作況単収指数.”
  • The Ministry of Agriculture reported the new indicator’s name and methodology and received the commission’s assent at the meeting.
  • Authorities plan to begin publishing the new measure in mid-October, with this year’s rice statistics expected to carry it from next month.
  • The index will compare the current year’s yield with the average of the most recent five years after excluding the highest and lowest years.
  • Officials cite a mismatch between the old 30-year-trend-based metric and producers’ experience, and final ministerial approval is still pending.