There are animals that destroy the crop before it is harvested. Farmers find it difficult to protect the crops from these animals, insects and microorganisms. Provide information to your classmates by answering the questions.
(a) What are these animals/insects called? Name few that ruin the standing crops.
(b) What methods do the farmers employ to protect their crops?
(c) Name some common insecticides used to protect crops.
(d) Write the difference between insecticide, pesticide, fungicide and rodenticide.
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Answer:
a) pests.
example - rat, termite, rodent.
(b) farmers use insecticide and pesticides to protect their crops
(c) insecticide- DDT, BHC, lindane
(d) insecticide protect the plants from insect
pesticides protect the plants from pest
fungicide protect the plants from fungus
rodenticide protect the plants from rodent
6.(b) manure- do not harm the soil
maintain the pH balance of the soil
disadvantage - do not mix with water easily
fertilizer- easily soluble in water
easy to transport
disadvantage- if added excess harms the soil
sorry I know this much only about your question
Explanation: