Effects of garlic(garlic sprouts)rotation on taro yield,quality and soil microbial community in plastic tunnel
In order to clarify the effects of garlic rotation on the yield,quality and soil microorganisms of continuous cropping taro in greenhouse,a contrast test between taro continuous cropping and taro-green garlic rotation was conducted to analyze the effects of garlic rotation on the yield and quality of continuous cropping taro in greenhouse and the richness,di-versity and community structure of soil bacteria and fungi at the genus level in this study.The results showed that compared with taro continuous cropping,the yield,total starch content and total polysaccharide content of taro under garlic rotation were significantly increased.The content of soil organic matter and available iron increased significantly,but there was no significant difference in exchangeable calcium content.The relative abundance of beneficial fungi in Mortierella increased significantly,while the relative abundance of harmful fungi such as Fusarium,Cladosporium,Neonectria,Alternaria and Aspergillus decreased significantly.Therefore,the rotation of green garlic-taro can not only improve the yield and quality of subsequent taro,but also improve the soil physical and chemical properties and microbial community structure,which is conducive to alleviating the continuous cropping obstacles of greenhouse taro.
planting in greenhousegarlic(garlic sprouts)-taro rotationcontinuous cropping obstacles