GK
SOIL EROSION AND CONSERVATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The plants commonly sown for crop rotation are :
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Trigonella and Trifolium
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Cajanus and Dalbergia
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Dalbergia and trigonella
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Cajanus and Aeschynomene
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Explanation:
Detailed explanation-1: -Criteria for the selection of crops for crop rotation: (i) Availability of moisture through rain or irrigation. (ii) Status of nutrients in the soil. (iii) Duration of crop-short or long.
Detailed explanation-2: -The four-field crop rotation became a key development in the British Agricultural Revolution. The rotation between arable and ley is sometimes called ley farming.
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