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在55%田间持水量和等量施肥条件下,比较研究了施用水葫芦有机肥和畜禽粪有机肥对土壤CO2排放特征的影响。结果表明:水葫芦有机肥处理土壤的CO2排放量与累积排放量均显著低于畜禽粪有机肥处理土壤。有机肥处理土壤的CO2累积排放量与潜在可矿化有机碳含量以及有机碳矿化速率呈显著正相关。
Under the condition of 55% field water capacity and the same amount of fertilization, the effects of applying water hyacinth organic manure and livestock manure on soil CO2 emission characteristics were comparatively studied. The results showed that both the CO2 emission and the cumulative emissions of soil organic matter by water hyacinth were significantly lower than those by manure and manure. There was a significant positive correlation between cumulative CO2 emission from organic manure and soil potential mineralizable organic carbon and organic carbon mineralization rate.