期刊
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
卷 19, 期 24, 页码 -出版社
MDPI
DOI: 10.3390/ijerph192417058
关键词
AMF community composition; intercropping; coal mining dump; bioinvasive risk; crop yields
资金
- National Key Research and Development Program of China
- National Natural Science Foundation of China
- [2022YFF1303300]
- [51974326]
AMF inoculation significantly improves intercropping maize yield and increases available phosphorus content. AMF diversity is influenced by cropping pattern and growth stage, but not by the inoculation treatment. Inoculation alters AMF community composition only in the early stage and facilitates a more complex AMF network in the early and late stages of growth.
For the agricultural development of dumps, increase in land use efficiency and protection of food security, to verify the safety, efficacy and sustainability of field-applied arbuscular mycorrhizal fungi (AMF) inoculum, and to exclude the risk of potential biological invasion, in this study, we determined the effect of AMF inoculation and intercropping patterns (maize-soybean) on the temporal dynamics of soil parameters, native AMF communities and crop yields. AMF communities were analyzed using Illumina MiSeq. A total of 448 AMF operational taxonomic units (OTUs) belonging to six genera and nine families were identified. AMF inoculation treatment significantly improved the yield of intercropping maize and increased the content of available phosphorus. AMF diversity was significantly influenced by cropping pattern and growth stage, but not by the inoculation treatment. Inoculation altered the AMF community composition in the early growth stage and facilitated a more complex AMF network in the early and late growth stages. These results indicate that AMF inoculation affects native AMF only in the early stage, and its impact on yield may be the consequence of cumulative effects due to the advantages of plant growth and nutrient uptake in the early stage.
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