Sweet Potato
Sow in October, harvest around February
Still sowing time: sow by the end of November.
Grown on 6.4 acres here. Sold at 2 mandis in your district.
₹1.2 lakh–₹1.9 lakh
per acre a season, before costs
After typical costs: ₹70,000–₹1.3 lakh an acre a season
- Suits: Rain is enough
- Suits: Ideal temperatures
- Suits: Soil 9/10
Why, and how to make it work Hide details
Water
Rain is enough in a normal year. Keep one irrigation ready for a dry year.
Needs about 440 mm of water here in its growing months. Rain in its months gives about 220 mm it can use in a normal year (150 mm in a dry one), and the soil holds about 200 mm from the monsoon at sowing.
Temperature
Grows best at 18–28 °C on average, and survives 10–38 °C.
Here, in its growing months (day / night):
- Oct 31 °C / 24 °C
- Nov 31 °C / 24 °C
- Dec 32 °C / 23 °C
- Jan 32 °C / 23 °C
- Feb 33 °C / 24 °C (outside its best range)
Months in orange are outside its best range.
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 sulphur.
Likes pH 5.0–7.0.
How the soil score worksMoney
Yield: about 58 quintals an acre, the typical figure in your state (your district's own figure looked wrong).
Mandi price at last season's harvest (February–March 2026): about ₹2,700 a quintal at mandis in your district.
- ₹2,650 2023
- ₹3,900 2024
- ₹2,900 2025
Prices are usually best in October.
Typical costs are about ₹55,000 an acre: about half of what a usual harvest earns (2024–2026), as in farm cost surveys. They are spent whatever the harvest.
How to make it work
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Short of sulphur Your soil is likely short of sulphur.
Use single super phosphate instead of DAP, or add about 100 kg of gypsum per acre before sowing.
Ask your Krishi Vigyan Kendra what to add for this crop.