title: Pencycuron dissipation in soil: effect of application rate and soil conditions.
abstract: Dissipation of the fungicide pencycuron was examined under controlled laboratory conditions in clay loam soils from rice cultivated fields of alluvial soil (Typic udifluvent) and coastal saline soil (Typic endoaquept) at field rate, twice the field rate and 10 times the field rate with and without decomposed cow manure maintained at 60% of maximum water-holding capacity (WHC) and waterlogged soil condition. The half-life values depended on the initial concentrations of pencycuron. Pencycuron, in general, degraded fastest in coastal saline soil and in soil amended with decomposed cow manure at 60% of maximum WHC of soil.
authors.affiliation: Department of Agricultural Chemistry and Soil Science, Calcutta University, 35 Ballygunge Circular Road, Calcutta, Pin-700019, India. p_raktim@rediffmail.com
authors.forename: Raktim
authors.initials: R
authors.lastname: Pal
authors.forename: Kalyan
authors.initials: K
authors.lastname: Chakrabarti
authors.forename: Ashis
authors.initials: A
authors.lastname: Chakraborty
authors.forename: Ashim
authors.initials: A
authors.lastname: Chowdhury
mesh_terms: D001673:Biodegradation, Environmental; D005659:Fungicides, Industrial / Q000032:analysis*; D010671:Phenylurea Compounds / Q000032:analysis*; D012987:Soil
chemical_list: D005659:Fungicides, Industrial; D010671:Phenylurea Compounds; D012987:Soil; C036791:pencycuron