不同农业管理措施对土壤线虫的影响

被引:9
作者
董道峰 [1 ]
胡诚 [2 ]
曹志平 [1 ]
机构
[1] 不详
[2] 中国农业大学资源与环境学院
[3] 不详
[4] 湖北省农业科学院植保土肥研究所
[5] 不详
关键词
土壤线虫; 农业管理措施; 扰动; 多样性指数;
D O I
暂无
中图分类号
S154.3 [土壤微生物学];
学科分类号
摘要
研究了不同农业管理措施对土壤线虫的影响,结果表明:日光温室中土壤线虫的优势种群为食细菌的小杆线虫(Rhabditis),常规农田中优势种群为食细菌的小杆线虫和植食性的螺旋线虫(Helicotylenchus),休闲地中优势种群为植食性线虫,包括螺旋线虫、盘旋线虫(Rotylenchus)和丝尾垫刃线虫(Filenchus);线虫的多样性、丰富度、ΣMI、EI、SI指数表明日光温室所受到土壤线虫的扰动最强,常规农田次之,休闲地所受干扰最小;PPI/MI、WI、BI、CI指数表明日光温室土壤营养丰富,常规农田和休闲地营养贫瘠。
引用
收藏
页码:80 / 85
页数:6
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