Tapioca (Cassava)

Water

Rain is enough, even in a dry year.

Needs about 930 mm of water here in its growing months. Rain gives about 2,300 mm it can use in a normal year, and 1,640 mm in a dry year.

Heavy rain here can waterlog it. Grow it on raised beds or land that drains well.

Temperature

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

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

• Jun 31 °C / 24 °C
• Jul 30 °C / 24 °C
• Aug 30 °C / 24 °C
• Sep 31 °C / 24 °C
• 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
• Mar 34 °C / 26 °C (outside its best range)
• Apr 34 °C / 26 °C (outside its best range)
• May 33 °C / 26 °C (outside its best range)
• Jun 31 °C / 24 °C

Months in orange are outside its best range.

Soil

Soil for Tapioca (Cassava): 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.

Likes pH 5.5–8.0.

Money

Yield: about 205 quintals an acre here in this season (district figures).

Mandi price through the year (December 2025–November 2026): about ₹3,000 a quintal at mandis in your district.

This week: about ₹3,500 a quintal, the middle of 10 mandis in your district (latest 13 Nov). At that price an acre would leave about ₹4.7 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.