Question
Explain canning.
✓
Answer
Canning is a process used for food preservation. Heat, at a certain temperature and for a limited period of time, is used to kill the harmful microorganisms as well as enzymes. This method also involves the removal of oxygen gas, and to avoid post-process contamination by airtight sealing of food items.
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Heera: Well, I am still relying on good old cow dung. I am saving money for buying a tractor.
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→Heera: Brother Beera, your maize crops looks beautiful! They have grown pretty fast.
Beera: Yes, I have sprayed urea this time. What about you?
Heera: Well, I am still relying on good old cow dung. I am saving money for buying a tractor.
Beera: That’s good. Tractor saves a lot of time and labour.
Heera: Yes, it’s been very labour intensive for me and now these weeds have come up.
Beera: Try weedicides, they are very effective. Now answer the following questions.
$i.$ List the practices which are not environment friendly and why?
$ii.$ What is the advantage of modern agriculture implements over traditional ones?
$iii.$ Name one weedicide and the precaution farmers must take during its application.
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