Movement of pesticides and nutrients into tile drainage water. Final report, 22 September 1985-22 September 1988
Concern about contamination of surface and ground water by agricultural chemicals has increased in the last five years. The objectives of this study were to determine field-scale pesticide and nutrient losses to tile drains over a 3-year period on a low-organic-matter, poorly structured silt loam soil under typical agricultural management practices. A tile-drainage spacing study was instrumented to measure water outflow rates and to continuously collect tile outflow samples on a flow-proportional basis. Two replicates of 3 tile spacings (5, 10, and 20 m) were included in the study. Water samples were analyzed for all applied pesticides (atrazine, cyanazine, alachlor, carbofuran, terbufos, and chlorpyrifos) as well as major nutrients (N,P,K) and sediment.
- Research Organization:
- Purdue Univ., Lafayette, IN (USA). Dept. of Agronomy
- OSTI ID:
- 7019191
- Report Number(s):
- PB-90-129149/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
540220 -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (1990-)
540320* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (1990-)
DISSOLUTION
DOCUMENT TYPES
DRAINAGE
ENVIRONMENTAL TRANSPORT
FERTILIZERS
FIELD TESTS
GROUND WATER
HYDROGEN COMPOUNDS
LAND POLLUTION
LEACHING
MASS TRANSFER
NUTRIENTS
OXYGEN COMPOUNDS
PESTICIDES
POLLUTION
PROGRESS REPORT
RUNOFF
SEDIMENTS
SEPARATION PROCESSES
SURFACE WATERS
TESTING
WATER
WATER POLLUTION