Sweet Potato
Sow in June, harvest around October
This season's sowing time (June–July) is over.
Grown on 583 acres here. Priced from mandis across India.
₹2.1 lakh–₹3.2 lakh
per acre a season, before costs
After typical costs: ₹1.5 lakh–₹2.6 lakh an acre a season
- Suits: Rain is enough
- Suits: Ideal temperatures
- Suits: Soil 8/10
Why, and how to make it work Hide details
Water
Rain is enough, even in a dry year.
Needs about 410 mm of water here in its growing months. Rain gives about 590 mm it can use in a normal year, and 510 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 / 23 °C
- Jul 27 °C / 21 °C
- Aug 27 °C / 21 °C
- Sep 28 °C / 21 °C
- Oct 27 °C / 20 °C
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.
- Many fields here are short of potassium, which it needs a lot.
- Most fields here are short of zinc.
Likes pH 5.0–7.0.
How the soil score worksMoney
Yield: about 76 quintals an acre here in this season (district figures).
Mandi price at this season's harvest so far (October–November 2026): about ₹3,500 a quintal across India's mandis.
- ₹1,740 2021
- ₹1,980 2022
- ₹1,940 2023
- ₹2,380 2024
- ₹2,500 2025
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.
How to make it work
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Short of zinc Your soil is likely short of zinc.
Mix 10 kg of zinc sulphate per acre into the soil before sowing. One dose lasts two or three seasons.
Ask your Krishi Vigyan Kendra what to add for this crop.
-
Short of boron Your soil is likely short of boron.
Mix 4 kg of borax per acre into the soil before sowing.
Ask your Krishi Vigyan Kendra what to add for this crop.