From continuous-cropping years and the annual pathogen growth rate, estimate soil pathogen accumulation and the continuous-cropping obstacle risk level.
连作障碍指数估算工具,基于连作年限、初始病原菌密度与年增长率,采用指数增长模型估算土壤病原菌积累程度,并对照阈值密度计算连作障碍指数与风险等级,辅助连作风险评估与轮作决策。