吉林农业大学资源与环境学院,长春,130118
[ "孟庆龙(1996—),男,硕士研究生,主要从事土壤生境调控与农业废弃物资源化研究。E-mail:741252039@qq.com" ]
纸质出版:2022
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孟庆龙, 吴景贵, 李建明, 等. 长期施用畜禽粪对黑土有机无机复合体动态变化的影响[J]. 水土保持学报, 2022,36(4):277-283.
MENG Qinglong, WU Jinggui, LI Jianming, et al. Effects of Long-term Application of Livestock and Poultry Manure on the Dynamic Changes of Phaeozem Organic-mineral Complex[J]. 2022, 36(4): 277-283.
孟庆龙, 吴景贵, 李建明, 等. 长期施用畜禽粪对黑土有机无机复合体动态变化的影响[J]. 水土保持学报, 2022,36(4):277-283. DOI: 10.13870/j.cnki.stbcxb.2022.04.034.
MENG Qinglong, WU Jinggui, LI Jianming, et al. Effects of Long-term Application of Livestock and Poultry Manure on the Dynamic Changes of Phaeozem Organic-mineral Complex[J]. 2022, 36(4): 277-283. DOI: 10.13870/j.cnki.stbcxb.2022.04.034.
为探究不同畜禽粪长期施用后,对黑土有机无机复合状况及有机碳在土壤有机无机复合体中分布的动态影响,以吉林农业大学教学实验田始于2010年的长期定位试验下的黑土作为研究对象。试验共设4个处理,分别为施用鸡粪(JF)、施用牛粪(NF)、施用猪粪(ZF)以及对照处理(CK)。土壤样品选取连续施用畜禽粪的第1年(2010年)、第3年(2012年)、第6年(2015年)、第9年(2018年)和第11年(2020年)土壤,测定不同处理下黑土重组有机碳含量、有机无机复合度、胶散复合体含量以及有机碳在各组分复合体中的分布。结果表明:试验初期,外源有机物质对土壤复合状况的影响并不显著,但随着时间的延长,并随着畜禽粪的长期施入,更多的有机无机复合体形成,有机质的积累得到显著提升,其中鸡粪效果最好。到2020年使用鸡粪处理下的重组有机碳及原土复合量分别比空白对照提高12.0%和10.0%。施用畜禽粪后,各组分胶散复合体含量也高于空白对照,但G1复合体含量呈现下降趋势。从有机碳在各组复合体上的分布来看,畜禽粪长期施用可以增加各组分复合体上分布的有机碳。畜禽粪施入可以改善土壤复合状况,提高复合体及其碳含量,其中以鸡粪还田效果最好。
The formation of organic-mineral complex in soil can protect organic matter and make it difficult to be decomposed. This study aimed to investigate the dynamic effects of long-term application of different livestock manures on the organic-mineral complex status of phaeozem and the distribution of organic carbon. The phaeozem under a long-term locality experiment started in 2010 at the teaching experimental field of Jilin Agricultural University was used as the research object. Four treatments were set up in the experiment
namely
application of chicken manure
cow manure
pig manure and the control. Soil samples were selected in 2010
2012
2015
2018 and 2020 to determine the content of heavy fraction organic carbon
the degree of organic-mineral complexation
the content of different components of organic-mineral complex. And the distribution of organic carbon in the organic-mineral complex were also determined. The results showed that:At the beginning of the experiment
the effect of exogenous organic matter on soil complex condition was not significant
but with the extension of time and the long-term application of livestock manure
moreorganic-mineral complexes were formed
and the accumulation of organic matter was significantly enhanced
with the best effect observed in chicken manure treatment. The amount of heavy fraction organic carbon and quantity of organic-mineral complexation under treatment with chicken manure increased by 12.0% and 10.0%
respectively
compared with the control in 2020. After the application of livestock manure
the content of each component gum dispersion complex was also higher than that of the control
however
the content of G1 complex showed a decreasing trend. Long-term application of organic materials increased the distribution of organic carbon in each organic mineral complex. The application of livestock manure could improve the soil complex condition and increase the complex and its carbon content
of which chicken manure was the most effective.
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