Sweet Potato

Water

Rain is enough, even in a dry year.

Needs about 200 mm of water here in its growing months. Rain in its months gives about 70 mm it can use in a normal year (30 mm in a dry one), and the soil holds about 170 mm from the monsoon at sowing.

Temperature

Grows best at 18–28 °C on average, and survives 10–38 °C.

Here, in its growing months (day / night):

• Nov 17 °C / 7 °C (outside its best range)
• Dec 14 °C / 3 °C (outside its best range)
• Jan 11 °C / 2 °C (outside its best range)
• Feb 14 °C / 4 °C (outside its best range)
• Mar 18 °C / 8 °C (outside its best range)

Nights in November can bring frost while the plants are young. Sow a little later, or cover the seedlings on cold nights.

Soil

Soil for Sweet Potato: 8 out of 10 (good).

• The pH here suits it.
• Many fields here are short of nitrogen, which it needs a lot.
• Most fields here are short of sulphur.

Likes pH 5.0–7.0.

Money

Yield: about 38 quintals an acre, the typical figure across India (no figures for your state).

Mandi price at last season's harvest (March 2026): about ₹2,200 a quintal across mandis in your state.

Prices are usually best in November.

Typical costs are about ₹57,000 an acre: about half of what a usual harvest earns (2024–2026), as in farm cost surveys. They are spent whatever the harvest.