61). Cotton is facing competition from sugarcane in the region at the black soil in Maharashtra. This is due to
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62). Consider the following statements about black soil of India 1. Black soil becomes sticky when it is wet. 2. Black soil contains adequate nitrogen as well as phosphorus required for the growth of plants. Which of the statements given above is / are correct?
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63). Which of the following measures are effective for soil conservation in India? 1. Avoiding crop rotation 2. Afforestation 3. Encouraging the use of chemical fertilizers 4. Limiting shifting cultivation Select the correct answer from the codes given below
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64). Generally the soil of the Northern plains of India has been formed by
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65). Which one of the following types of soil is known by the local name 'Kari' in Kerala?
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66). Consider the following statements 1. The plain of younger alluvium is called Bhangar. 2. The plain of older alluvium is called Khadar. Which of the statements given above is/are true?
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67). How many primary and secondary types of soil have been identified by the Council of Indian Agriculture Research?
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68). Consider the following statements 1. The piedmont plain where smaller rivers disappear is called Bhabar. 2. The belt where streams re-emerge is called Terai. Which of the statements given above is/are true?
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69). Which one of the following is the main reason for the loss of the top soil in India?
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70). Soil erosion In India occurs in almost al the littoral states but it is most serious along the coast of
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