南京地区设施蔬菜土壤连作障碍现状及调控措施

为解决南京市设施蔬菜生产中因多年连作、偏施化肥、肥水管理不当等导致的土壤次生盐渍化加剧、土壤有益微生物活性降低、理化性状不协调等问题,对南京郊区10个设施蔬菜园区进行了调查及采土检测,分析了设施蔬菜栽培土壤连作障碍现状及原因,探讨了减轻设施蔬菜土壤连作障碍的调控措施。

Status and Controlling Measures of Soil Continuous Cropping Obstacles in Protected Vegetable Production in Nanjing

For years of continuous cropping, partial application of chemical fertilizers, improper management of water and fertilizer, many problems were caused in the protected vegetable production in Nanjing, such as the intensified secondary salinization, reduced soil beneficial microorganism activity, inharmonious physical and chemical characteristics, etc. To solve the problems, we investigated ten protected vegetable parks, with the soil samples detected, and analyzed the status and reasons for soil continuous cropping obstacles in protected vegetable production, then discussed the controlling mea- sures for lightening the obstacles.