Answer: Option D Answer: (d) Sweet potato may be grown either on hills or beds. Rows need to be spaced 90-120 cm apart with plants spaced 30-40 cm apart in the row. It is known in Nepal as ‘Sakar kand.’ It is grown both in the terai and the mid-hills throughout the country. It is the second most important root crop after potato in terms of production and area.
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