Given below is a conversation between two farmers Heera and Beera. 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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(i) Excessive use of urea (fertilizer) poisons earthworms and it leads to their death (earthworms) and soil acidification.
(ii) Modern agriculture implements save time, labour and energy. And the benefits will be much more than crops grown using traditional methods.
(iii) 2,4-D Ethyl ester, Neem extract, Glyphosate are three commonly used wedicides. Farmers must cover their mouth and nose while spraying wedicides because it can be harmful to them.
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