Nitrous Oxide and Carbon Dioxide Emissions from Vietnamese Soil Amended with Different Compost types at High Temperature

Van Ngoc Tuong Hoang, Morihiro Maeda

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This study aims to determine the effects of compost additions and high temperature on N2O and CO2 emissions from a Vietnamese agricultural soil. Soil samples amended with two compost types (commercial compost, SH and chicken compost, CC) at three rates of 1%, 2% and 4% w/w were aerobically incubated at 25°C, 30°C and 35°C for 28 days in the laboratory. N2O and CO2 emissions were determined on days 1, 3, 5, 7, 14, 21 and 28. Our results showed that N2O and CO2 emissions were significantly affected by temperature, compost additions, and their interactions. Greater N2O and CO2 emissions were seen in CC treatments than SH treatments. Higher application rates of CC led to greater N2O and CO2 emissions. In SH treatments, higher temperature lowered N2O emissions but did not affect CO2 emissions. N2O and CO2 emissions were enhanced with CC addition while they showed different responses to increasing temperature.

Original languageEnglish
Pages (from-to)1-14
Number of pages14
JournalCommunications in Soil Science and Plant Analysis
DOIs
Publication statusAccepted/In press - Feb 10 2018

Keywords

  • Agricultural soil
  • carbon dioxide
  • compost
  • nitrous oxide
  • temperature

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Soil Science

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