Question

How can plants be protected against insects, diseases and animals?​

Answer 1

Answer:

Insecticides are sprayed over crop plants by hand-operated machines or low-flying aircraft (or sprinklers). Another set of pesticides used to protect crop plants from diseases are called fungicides. They are used to treat seeds before they are sown or sprayed over plants.

Answer 2

Answer:

Explanation:

Insecticides are sprayed over crop by hand operated machines or low flying aircraft. Another set of pesticides used to protect crop plant from diseases and are called fungicides. They are used to treat seeds before they are sown and sprayed over the plants.

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