Sweet Potato

Water

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

Needs about 540 mm of water here in its growing months. Rain gives about 390 mm it can use in a normal year, and 270 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 35 °C / 26 °C (outside its best range)
• Aug 33 °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: 8 out of 10 (good).

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

Likes pH 5.0–7.0.

Money

Yield: about 61 quintals an acre here (district figures).

On rain alone it gets about 72% of the water it needs, so the money here is worked at 72% of this yield.

Mandi price at this season's harvest so far (October–November 2026): about ₹1,800 a quintal across mandis in your state.

This week: about ₹1,900 a quintal, the middle of 4 mandis in your state (latest 13 Nov). At that price an acre would leave about ₹24,000 a season after typical costs.

Prices are usually best in September.

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.