Sweet Potato

Water

Rain falls about 2 irrigations (5 cm each) short in a normal year, so it's risky without water.

Needs about 510 mm of water here in its growing months. Rain gives about 410 mm it can use in a normal year, and 320 mm in a dry year.

Temperature

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

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

• Jun 38 °C / 26 °C (outside its best range)
• Jul 32 °C / 24 °C
• Aug 31 °C / 24 °C
• Sep 31 °C / 23 °C
• Oct 33 °C / 20 °C

Months in orange are outside its best range.

Soil

Soil for Sweet Potato: 7 out of 10 (okay).

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

Likes pH 5.0–7.0.

Money

Yield: about 33 quintals an acre, the typical figure in your state (its government crop records list none for your district).

On rain alone it gets about 82% of the water it needs, so the money here is worked at 82% of this yield.

Mandi price at this season's harvest so far (October 2026): about ₹3,750 a quintal at mandis in your district.

This week: about ₹2,600 a quintal, the middle of 3 mandis in your state (latest 13 Nov). At that price an acre would leave about ₹12,000 a season after typical costs.

Prices are usually best in July.

Typical costs are about ₹59,000 an acre: about half of what a usual harvest earns (2023–2025), as in farm cost surveys. They are spent whatever the harvest.