SUBJECT
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Agriculture
1
Antibiotic residues
1
Aquatic animals
1
Arsenic compounds
1
Arsenicals
1
Benguet Province
1
Carlson, Rachel, 1907-1964. Silent Spring
1
Children
1
Chirality
1
Chlorpyrifos
1
DDT (Insecticide)
1
Diseases and pests
1
Drinking water
1
Effect of human beings on
1
Effect of pollution on
1
Effect of water pollution on
1
Enantiomers
1
Environment
1
Environmental Pollutants
1
Environmental aspect
1
Environmental monitoring
1
Environmental pollutants
1
Fertilizers
1
Fishes
1
Food Contamination
1
Food contamination
1
Food industry and trade
1
Food supply
1
Forest insects
1
Forest protection
1
Freshwater ecology
1
Groundwater
1
Handbook, manuals, etc
1
Health and hygiene
1
Immunoassay
1
Insect control
1
International Rice Research Institute
1
Lysimeter
1
Malathion
1
Man, Effect of pesticides on
1
Methyl parathion
1
Micro-organisms
1
Microbial ecology
1
National Committee and Urban Pest Control
1
Natural resources
1
Nature
1
Nutrient pollution of water - United States
1
Persistent Organic Pollutants
1
Pesticide applicators (Persons)
1
Pesticides -- Environmental aspects - United States
1
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