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 these 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 some common methods of food preservation used in your home by your mother or grandmother
Answers
Answer:a)pests.
Example-rat,rodent.
These insects are called herbivorousinsects which are brought to task by spraying insecticides on them. Some ofthe deadliest bugs in this list are Stem Borer, Bollworm, Thrips, Pod suckingbugs, Rootborer, Weevil, Mealybugs, Berry Borer etc.
(b)The methods done by the farmers employee to protect their crops are:
using pesticides like herbicides, insecticides etc
.biological pest control approaches such as cover crops, trap crops and Beetle banks.
barrier based approaches such as Agro- Textiles and Bird netting.
(c)Insecticide
Chemosterilant.
DDT.
Benzene hexachloride.
Aldrin.
Malathion.
Pesticide.
(d)Insecticide - These are the substances used to kill insects.Pesticide - Pesticide is a substance that is meant to control pests, including weeds. Rodenticides are the substances which are used to kill rodents.Fungicides are pesticides that kill or prevent the growth of fungi and their spores. They can be used to controlfungi that damage plants, including rusts, mildews and blights.
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