Tapioca (Cassava)

Water

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

Needs about 890 mm of water here in its growing months. Rain gives about 1,020 mm it can use in a normal year, and 860 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 26 °C / 19 °C
• Jul 24 °C / 19 °C
• Aug 24 °C / 19 °C
• Sep 25 °C / 19 °C
• Oct 26 °C / 19 °C
• Nov 26 °C / 18 °C
• Dec 26 °C / 16 °C
• Jan 27 °C / 16 °C
• Feb 29 °C / 17 °C
• Mar 31 °C / 19 °C
• Apr 30 °C / 20 °C
• May 30 °C / 20 °C
• Jun 26 °C / 19 °C

Soil

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

Not in the score: nitrogen.

• The pH here suits it.

Likes pH 5.5–8.0.

Money

Yield: about 47 quintals an acre, the typical figure in your state (your district's own figure looked wrong).

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 lose about ₹79,000 a year at 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.