Bacillus thuringiensis israelensis Bactericide Basta (herbicide) Bendiocarb Bees and toxic chemicals Benomyl Bensulide Benzimidazole fungicide Benzoylurea Benzyl benzoate Bioactive paper Biocide Bioherbicide Biopesticide Borax Bordeaux mixture Brodifacoum Bromadiolone Bromethalin Bromine monochloride Bromomethane Bromoxynil Burgundy mixture