Tapioca (Cassava)

Water

Too dry to grow on rain alone. It would need irrigation.

Needs about 1,140 mm of water here in its growing months. Rain gives about 520 mm it can use in a normal year, and 380 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 35 °C / 24 °C (outside its best range)
• Jul 31 °C / 22 °C
• Aug 30 °C / 21 °C
• Sep 30 °C / 21 °C
• Oct 31 °C / 20 °C
• Nov 30 °C / 17 °C
• Dec 29 °C / 14 °C
• Jan 30 °C / 15 °C
• Feb 34 °C / 17 °C
• Mar 37 °C / 21 °C
• Apr 40 °C / 24 °C (outside its best range)
• May 41 °C / 26 °C (outside its best range)
• Jun 35 °C / 24 °C (outside its best range)

Months in orange are outside its best range.

Days in May get hotter than it likes. Young plants need shade and water then.

Soil

Soil for Tapioca (Cassava): 8 out of 10 (good).

Not in the score: phosphorus.

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

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).

Rain gives it too little of the water it needs, so there's no income figure on rain alone: grow it only with irrigation.

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 71 mandis across India (latest 13 Nov).

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.