ZHANG Ning, DONG Xianqin, ZHOU Ting, et al. Effects of Different Amendments for Anaerobic Soil Disinfestation on Soil Properties and Microbial Community in Solar Greenhouse[J]. 2019, 33(5): 197-204.
DOI:
ZHANG Ning, DONG Xianqin, ZHOU Ting, et al. Effects of Different Amendments for Anaerobic Soil Disinfestation on Soil Properties and Microbial Community in Solar Greenhouse[J]. 2019, 33(5): 197-204. DOI: 10.13870/j.cnki.stbcxb.2019.05.029.
Effects of Different Amendments for Anaerobic Soil Disinfestation on Soil Properties and Microbial Community in Solar Greenhouse
Anaerobic soil disinfestation (ASD) as an alternative chemical fumigation of soil
has been gradually popularized in various places. However
effects of ASD is dependent on types of soil and amendments added. A field experiment was conducted to study the effects of ASD with different amendments on soil properties and microbial community
which would provide a scientific basis for environmentally friendly soil disinfestation method in solar greenhouse. The results showed that (1) the treatments except for ammonium bicarbonate treatment (AB) significantly decreased soil EC in 0-20 cm soil layer
but only irrigation without amendments (CK treatment) significantly increased soil EC
NO3--N in 20-40 cm soil layer. AB treatment significantly increased NH4+-N in 0-20 cm soil layer and NO3--N in 20-40 cm soil layer. And the addition of chicken manure (CM treatment) significantly increased the NH4+-N
pH
organic matter
total nitrogen and available nutrients
and significantly decreased the accumulation of NO3--N and EC in 0-20 cm soil layer. (2) CM treatment significantly decreased soil bacterial richness and evenness. However
the relative abundance of plant growth-promoting bacteria (PGPR)
Bacillus and Pseudomonas increased significantly. For the fungal community
the diversity and abundance of fungi in different treatments were not significantly different from those of before treating. However
the relative abundance of pathogen-Fusarium in AB
PS and CM treatment decreased significantly. The relative abundance of deneficial Aspergillus of CM treatment significantly increased. (3) Considering soil physical
chemical and microbial properties
chicken manure as an organic carbon source
had more positively effects of disinfestation
not only increased its decomposition
but also easy to get. Meanwhile
the application of chicken manure would be helpful for implementing double reduction of fertilizer and pesticides.
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references
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