期刊
JOURNAL OF SUSTAINABLE AGRICULTURE
卷 36, 期 1-2, 页码 3-17出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10440046.2011.627989
关键词
chicken manure; organic compost; soil CO2 emissions; tropical soils
资金
- USDA-TSTAR
This study determined carbon dioxide (CO2) emissions from a tropical soil amended with organic compost (CP), chicken manure (CM), and untreated controls during three growing seasons of sweet corn (Zea mays L.). The organic amendments resulted in significantly greater CO2 emissions compared with control treatments. The time duration after organic amendment applications significantly affected CO2 emissions, especially during the warmer growing seasons. The cumulative soil CO2 emissions increased in the order of control < CP < CM probably due to a greater microbial activity and to the greater above and below ground biomass production from N fertilization of organic amendments.
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