Decomposition and CO2-C evolution of okara, sewage sludge, cow and poultry manure composts in soils
Decomposition and CO2-C evolution of okara, sewage sludge, cow and poultry manure composts in soils
复制标题
土壤中豆渣、污水污泥、牛和家禽粪便堆肥的分解和CO2-C释放
DOI：
10.1080/00380768.2003.10409980
复制
发表时间：
2003
影响因子：
2
通讯作者：
K. Inubushi
中科院分区：
文献类型：
--
作者：
M. Miyittah;K. Inubushi
摘要：通过测定碳矿化率和微生物生物量水平，进行了室内实验来评估土壤中各种堆肥的分解情况。检查了堆肥分解率的差异。所使用的堆肥包括由豆奶残渣、牛粪、家禽粪便和污水污泥堆肥制成的豆渣堆肥，以 50 或 150 g kg−1 土壤的比例施用于 Chiba Light-color Andosol。结果表明，总体而言，CO2-C释放量在初始阶段迅速增加，但不同堆肥的释放模式有所不同。 CO2-C 的产量取决于施用量和堆肥材料的性质。豆渣处理过的土壤中的 CO2-C 释放量远高于其他三种堆肥处理过的土壤，这可能是由于微生物生物量较多所证明的不稳定 C 水平较高。豆渣堆肥中的 qCO2 值（每单位微生物生物量的二氧化碳产量）低于其他堆肥。 qCO2 与有机材料的可分解性有关，这反映在 CO2-C 的演化过程中。
Abstract A laboratory experiment was conducted to evaluate the decomposition of various composts in soils by determining the C mineralization rate and microbial biomass level. The differences in the decomposition rate of the composts were examined. The composts used consisted of okara compost made from soymilk residues, cow manure, poultry manure, and sewage sludge composts, which were applied at rates of 50 or 150 g kg−1 soil to a Chiba Light-colour Andosol. The results showed that, in general, the amount of CO2-C released increased rapidly at the initial stage, but the pattern differed among the composts used. The production of CO2-C depended on the amount applied and the nature of the compost materials. The CO2-C evolution from okara-treated soil was much higher than that from the soils treated with the other three composts, presumably due to the higher level of labile C as evidenced by the larger amount of microbial biomass. The value of qCO2 (CO2 production per unit microbial biomass) was lower in the okara compost than in the other composts. qCO2 was linked to the decomposability of organic materials, reflected in the CO2-C evolution.
DOI：
10.1007/978-94-009-0047-9
发表时间：
2016-02
影响因子：
8.5
作者：
T. Ando;K. Fujita;T. Mae;H. Matsumoto;S. Mori;J. Sekiya
通讯作者：
T. Ando;K. Fujita;T. Mae;H. Matsumoto;S. Mori;J. Sekiya