Persistence and effects of some pesticides in soil.

  title={Persistence and effects of some pesticides in soil.},
  author={David Chisholm and Anthony-John Macphee},
  journal={Journal of economic entomology},
  volume={65 4},
Long-term persistence and effects of DDT, arsenic, BHC, chlordane, sulpture, ferbam, and parathion, applied to a sandy loam in 1949-1953, were investigated in a field experiment at Kentville, Nova Scotia, during the period 1959-69. Applications of DDT significantly decreased yield of beans 16 years after application. More than 50% of applied DDT and arsenic remained in the soil for 15 and 16 years, respectively. Traces or parathion were detected in 1969. Plant nitrogen content was affected by… CONTINUE READING