Sweet Potato

Water

Rain is enough, even in a dry year.

Needs about 440 mm of water here in its growing months. Rain gives about 810 mm it can use in a normal year, and 700 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 31 °C / 25 °C
• Jul 30 °C / 24 °C
• Aug 31 °C / 24 °C
• Sep 31 °C / 24 °C
• Oct 31 °C / 24 °C

Soil

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

Not in the score: nitrogen.

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

Likes pH 5.0–7.0.

Money

Yield: about 58 quintals an acre, the typical figure in your state (your district's own figure looked wrong).

Mandi price at this season's harvest so far (October–November 2026): about ₹4,000 a quintal at mandis in your district.

This week: about ₹4,600 a quintal, the middle of 13 mandis in your state (latest 13 Nov). At that price an acre would leave about ₹2.1 lakh a season after typical costs.

Prices are usually best in December.

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.