Sweet Potato

Water

Rain falls about 3 irrigations (5 cm each) short in a normal year, so it's risky without water.

Needs about 530 mm of water here in its growing months. Rain gives about 420 mm it can use in a normal year, and 330 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 41 °C / 29 °C (outside its best range)
• Jul 34 °C / 26 °C (outside its best range)
• Aug 32 °C / 26 °C (outside its best range)
• Sep 34 °C / 25 °C (outside its best range)
• Oct 34 °C / 20 °C

Months in orange are outside its best range.

Soil

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

Not in the score: iron.

• 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.

Likes pH 5.0–7.0.

Money

Yield: about 48 quintals an acre, the typical figure in your state (your district's own figure looked wrong).

On rain alone it gets about 78% of the water it needs, so the money here is worked at 78% of this yield.

Mandi price at this season's harvest so far (November 2026): about ₹2,150 a quintal across mandis in your state.

This week: about ₹3,200 a quintal, the middle of 73 mandis across India (latest 13 Nov). At that price an acre would leave about ₹60,000 a season after typical costs.

Prices are usually best in November.

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.