This article is from ECHO Asia Note #9

Editor: The System of Rice Intensification (SRI), an unconventional approach to rice production that has spread throughout many parts of the world since the late 1990s, is comprised of a set of flexible management practices. CEDAC, based in Cambodia, summarizes these as follows:

  • Shallow (1-2 cm) transplanting of strong, young seedlings that are uprooted and quickly moved from moist but well-drained seedbeds.
  • Transplanting of 1-2 seedlings per hill at wider-than-usual spacings, between 25 x 25 cm (9.84 x 9.84 in.) and 50 x 50 cm (19.66 x 19.66 in.), ideally in a square pattern or in straight rows to facilitate weeding.
  • Alternate flooding and drying of the field during the period of vegetative growth.
  • Early and frequent mechanized weeding to control weeds and to aerate the soil.
  • Adding nutrients to the soil, preferably in organic form.

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Preparation of Modified Mat Nurseries (MMN) for Improved Rice Seedling Production

D.P. Patel, A. Das, G.C. Munda, P.K. Ghosh, S.V. Ngachan, R. Kumar and R. Saha ICAR Research Complex for the NEH Region, Umiam, Meghalaya, India

This article is from ECHO Asia Note #9

Editor: The System of Rice Intensification (SRI), an unconventional approach to rice production that has spread throughout many parts of the world since the late 1990s, is comprised of a set of flexible management practices. CEDAC, based in Cambodia, summarizes these as follows:

  • Shallow (1-2 cm) transplanting of strong, young seedlings that are uprooted and quickly moved from moist but well-drained seedbeds.
  • Transplanting of 1-2 seedlings per hill at wider-than-usual spacings, between 25 x 25 cm (9.84 x 9.84 in.) and 50 x 50 cm (19.66 x 19.66 in.), ideally in a square pattern or in straight rows to facilitate weeding.
  • Alternate flooding and drying of the field during the period of vegetative growth.
  • Early and frequent mechanized weeding to control weeds and to aerate the soil.
  • Adding nutrients to the soil, preferably in organic form.

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