Write T for True or F for False
29.Coumaphos is an OP compound used as an anthelmintic.
30. Deltametharin is classified as a type-I pyrethroid on the basis of chemical nature.
31. Fenthion is a directly acting OP insecticide.
32. Examples of manufactured organic fertilizers include compost, blood meal, bone meal, and seaweed extracts.
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