Research progress of biochar combined with biological measures to suppress soil-borne diseases
The problems of crop yield reduction and low quality caused by soil-borne diseases restrict the sustainable development of agriculture in China.Many kinds of soil-borne pathogens and complex pathogenic mechanisms make it difficult to control them,and it is difficult to achieve stable and efficient control effects by only taking one measure.The pore structure and adsorption characteristics of biochar have great potential in soil improvement and remediation.The control effect of biochar is related to different raw material types,and it cannot directly remove pathogens.Biological measures have the advantages of green and sustainable,but the interaction between soil microbial communities is complex,which may lead to unstable control effects.The combined application of biochar and biological measures is environmentally friendly and stable,and can reduce the pathogenicity level of pathogens more than single treatment,so it has gradually become a research hotspot in the field of plant disease control.Summarized the pathogenic mechanism and various control measures of soil-borne diseases,and detailed the specific mechanisms and application methods of biological measures,biochar alone control and synergistic control of soil-borne diseases,providing a theoretical basis for the application of biochar combined with biological measures in the control of soil-borne diseases.
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