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Effects of Different Intercropping Methods on Soil Organic Carbon and Aggregate Stability in Sugarcane Field

文献类型： 外文期刊

作者： Hu, Lening 1 ; Huang, Rui 1 ; Deng, Hua 1 ; Li, Ke 3 ; Peng, Jiayu 4 ; Zhou, Liuqiang 4 ; Ou, Huiping 4 ;

作者机构： 1.Guangxi Normal Univ, Guangxi Normal Univ & Coll Environm & Resources, Key Lab Ecol Rare & Endangered Species & Environm, Guilin 541004, Peoples R China

2.CAGS, Inst Karst Geol, MNR&GZAR, Key Lab Karst Dynam, Guilin 541004, Peoples R China

3.Guilin Univ Technol, Coll Civil Engn & Architecture, Guilin 541004, Peoples R China

4.Guangxi Acad Agr Sci, Agr Resources & Enviromnent Res Inst, Nanning 530007, Peoples R China

5.Inst Subtrop Agr, CAS Key Lab Agroecol Proc Subtrop Reg, Changsha 410000, Peoples R China

6.Henan Univ, Minist Educ, Key Lab Geospatial Technol Middle & Lower Yellow, Kaifeng 475000, Peoples R China

关键词： sugarcane field; intercropping; soil organic carbon; aggregate; mucuna pruriens

期刊名称：POLISH JOURNAL OF ENVIRONMENTAL STUDIES （ 影响因子：1.871； 五年影响因子：1.845 ）

ISSN： 1230-1485

年卷期： 2021 年 31 卷 4 期

页码：

收录情况： SCI

摘要： In order to maintain soil stability, improve soil productivity and optimize planting patterns, the distribution characteristics of soil aggregates in sugarcane fields under different intercropping methods were studied. We investigated the differences in organic carbon content of different particle size aggregates and the effects of intercropping on soil organic carbon, aggregates stability, sugarcane water content and nutrients content. The results showed that intercropping could effectively improve soil physicochemical properties, increase soil organic carbon (SOC) content, but such an approach had little effect on soil stability. After intercropping, the content of SOC, readily oxidized organic carbon (ROC), dissolved organic carbon (DOC) in soil increased significantly. The content of SOC increased with the decrease in aggregate size, and the organic carbon is more stable in the aggregates with the particle size of R 2 mm and R<0.154 mm. The selection of soybean and mucuna pruriens as intercropping crops in both OS//M and OM treatments was less damaging to soil stability and soil performance was significantly improved than the other groups, making them more suitable for intercropping in sugarcane fields. Intercropping increased the water content and N, P and K content of sugarcane plants.

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