【摘要】 1997年对河北曲周农大实验站不同施肥农田中的土壤螨进行调查。F检验证明:EM堆肥6年区捕食性土壤螨数量与传统堆肥6年区、化肥6年区均存在显著性差异。EM堆肥6年区与化肥6年区、传统堆肥6年区与化肥6年区腐食性土壤螨数量存在显著性差异。长期施用EM堆肥,有利于捕食性土壤螨和腐食性土壤螨的生存与繁衍。更多还原

【Abstract】 Soil mites were investigated in farmland which used different fertilizer of experement station, Quzhou ,Hebei, 1997. The result of F- test showed that there were significant difference of the number of predatory soil mites among three different fertilizing plots. It showed a significantly higher number in the plots used 6 years EM compost than ones in the plots used 6 years traditional compost and in used 6 years chemical fertilizer. The difference of the number of saprophagous soil mites was statistical significant bettween in the plots used 6 years EM compost and in the plots used 6 years chemical fertilizer,so was between in the plots used traditional compost and in the plots used 6 years chemical fertilizer. Use of EM compost for a long period benefits the reproduce and living of predatory and saprophagous soil mites.更多还原