Rajan felt worried about the condition of water scarcity in his village during the cropping season. He went to Ministry of Agriculture and Farmers Welfare of his area to get the solution of this problem. There he came to know about effective method of irrigation and drought resistant varieties of crop. He requested the head of department of the ministry to arrange some workshop on this topic to educate the farmers in these methods. Now answer the following (i) Name modern methods of irrigation that help us to use water economically. (ii) What is drought resistant varieties of crop? (iii) Can you name some crops that require less amount of water? (iv) What value of Raj an is shown here?
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In ∆STU, l (ST)=6cm, l (TU)=4.5cm and l (SU)=5cm then construct ∆STU
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Answer:
(i) Drip irrigation system and sprinkler method.
(ii) Crops that need very little amount of rainfall or irrigation to grow are called drought resistant varieties of crop.
(iii) Sorghum, pearl millet, chickpea, groundnut, etc.
(iv) Rajan is concerned, aware, sensitive and intelligent
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