Relay-intercropping of Stylosanthes guianensis in rainfed lowland rice ecosystem in Northeast Thailand

Koki Homma, Atsushi Mochizuki, Eiko Watatsu, Takeshi Horie, Tatsuhiko Shiraiwa, Nopporn Supapoj, Chamnean Thongthai

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

We evaluated the usefulness of the Stylosanthes guianensis (stylo)- rice relay-intercropping system for increasing agricultural productivity in Northeast Thailand. Although large production variability was observed, the relay-intercropping system produced an average of 350 g m-2 stylo dry matter during the dry season under non-irrigated and non-fertilized conditions in the experimental fields at the Ubon Rice Research Center. Utilization of the stylo production as green manure increased rice yield, but only slightly. The relay-intercropping also slightly improved soil chemical properties, but not significantly. The trial of the relay-intercropping in farmer's fields produced a maximum of 367 g m-2 stylo dry matter. Since the stylo production did not decrease the subsequent rice production, the rice-stylo relay-intercropping system is worth considering as one way to utilize the paddy fields during the dry season in Northeast Thailand.

Original languageEnglish
Pages (from-to)385-392
Number of pages8
JournalPlant Production Science
Volume11
Issue number3
DOIs
Publication statusPublished - 2008

Keywords

  • Dry season
  • Forage production
  • Green manure
  • Nutrient deficit
  • Rainfed rice

ASJC Scopus subject areas

  • Agronomy and Crop Science

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