Sweet Potato

Water

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

Needs about 490 mm of water here in its growing months. Rain gives about 380 mm it can use in a normal year, and 300 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 37 °C / 27 °C (outside its best range)
• Jul 32 °C / 25 °C (outside its best range)
• Aug 30 °C / 24 °C
• Sep 31 °C / 23 °C
• Oct 33 °C / 19 °C

Months in orange are outside its best range.

Soil

Soil for Sweet Potato: 9 out of 10 (good).

Not in the score: nitrogen and boron.

• The pH here suits it.
• Most fields here are short of organic carbon.

Likes pH 5.0–7.0.

Money

Yield: about 61 quintals an acre, the typical figure in your state (your district's own figure looked wrong).

On rain alone it gets about 77% of the water it needs, so the money here is worked at 77% of this yield.

Mandi price at this season's harvest so far (October–November 2026): about ₹2,425 a quintal across mandis in your state.

This week: about ₹2,500 a quintal, the middle of 3 mandis in your state (latest 13 Nov). At that price an acre would leave about ₹59,000 a season after typical costs.

Prices are usually best in March.

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.