Question

2. Why is land ploughed and levelled before sowing ?

3. Explain transplantation. Which crops are sown by this method ?
4. What is drip irrigation method ? Why is it considered advantageous over other methods ?
5. How does a manure differ from a fertilizer ?​

Answer 1

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Answer 2

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Ans 2 Land is ploughed before sowing, to allow the passage of air through the soil particles, and allow percolation of water to the bottommost layers of the soil. After ploughing, the land is levelled so that birds, winds and other agents can't displace the seeds.

Ans 3 The seeds of crops are first germinated in nurseries and then transferred to the field. They are not sown directly in the main field. This is called transplantation. This is done in crops like wheat, maize and some vegetables like cauliflower, tomatoes, cabbage, etc.

Ans 4 It is considered advantageous over other methods of irrigation since it delivers water directly to the plant where it is required, i.e. the roots. It minimizes water loss through evaporation from surrounding soil. This makes it the most economical method of irrigation. It is highly stable for water deficient regions

Ans 5 Manures and fertilizers are soil additives that improve the soil quality, helping plants to grow. The main difference between the two is that manure is all-natural animal droppings while fertilizer may be natural but may also have chemicals and other unknown substances added to it.

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