Tapioca (Cassava)

Water

Rain is enough in a normal year. Keep one irrigation ready for a dry year.

Needs about 870 mm of water here in its growing months. Rain gives about 940 mm it can use in a normal year, and 800 mm in a dry year.

Temperature

Grows best at 20–29 °C on average, and survives 10–35 °C.

Here, in its growing months (day / night):

• Jun 39 °C / 26 °C (outside its best range)
• Jul 35 °C / 25 °C (outside its best range)
• Aug 33 °C / 25 °C (outside its best range)
• Sep 33 °C / 23 °C
• Oct 31 °C / 17 °C
• Nov 26 °C / 11 °C (outside its best range)
• Dec 20 °C / 6 °C (outside its best range)
• Jan 18 °C / 5 °C (outside its best range)
• Feb 21 °C / 9 °C (outside its best range)
• Mar 27 °C / 14 °C
• Apr 33 °C / 18 °C
• May 38 °C / 23 °C (outside its best range)
• Jun 39 °C / 26 °C (outside its best range)

Nights in December can bring frost. When frost is forecast, water the field lightly in the evening.

Soil

Soil for Tapioca (Cassava): 9 out of 10 (good).

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

Likes pH 5.5–8.0.

Money

Yield: about 149 quintals an acre, the typical figure across India (no figures for your state).

Mandi price through the year (December 2025–November 2026): about ₹3,000 a quintal across India's mandis.

This week: about ₹3,500 a quintal, the middle of 70 mandis across India (latest 13 Nov). At that price an acre would leave about ₹2.8 lakh a year after typical costs.

Prices swing a lot from year to year, so income can be well above or below this range.

Prices are usually best in September.

Typical costs are about ₹2.4 lakh an acre: about half of what a usual harvest earns (2023–2025), as in farm cost surveys. They are spent whatever the harvest.