ORAL QUESTIONS
1. Which of these are organic substances-
manures or fertilizers?
2. Drip irrigation saves wastage of water because
it supplies water directly to the roots. Why is
drip irrigation not used by all farmers?
3. Some fruits such as grapes are not peeled
before eating. You are advised to be extra
careful in cleaning such fruits. Why?
4. After harvesting his bountiful crop, a farmer
was so happy that he forgot to dry the crop
before storing it. What problems can he face?
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Answers
Answer:
1.Manure. Because they are prepared from organic wastes whereas fertilisers are prepared from chemicals. Manure provide small amounts of most nutrients to the soil whereas a fertiliser provides only a specific nutrient to the soil.
2.Drip irrigation saves the wastage of water because it supplies water directly to the roots. But this type of irrigation is not used by all the farmers in our country, because maybe they don't have the enough money to afford this modern system of irrigation.
3.you are advised to be extra careful in cleaning such fruits. why? because the must be having some unwanted harmful bacteria's and chemical's which can make us sick. As we buy vegetables and especially fruits from the roads, the cars pass by leaving harmful gases which stick on the fruits.
4.And drying the crops before storing is one of those important steps of harvesting procedure. If we don't dry the crops ,there are many chances that the crops will be damaged due to excessive amount of moisture. And unwanted microorganisms can also born in those wet crops which can contaminate everything.
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