Rubber

Water

Rain falls about 8 irrigations (5 cm each) short in a normal year, so it's risky without water.

Needs about 1,330 mm of water here in its growing months. Rain gives about 950 mm it can use in a normal year, and 710 mm in a dry year.

Temperature

Grows best at 24–33 °C on average, and survives 10–45 °C.

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

• Jun 32 °C / 21 °C
• Jul 28 °C / 21 °C
• Aug 28 °C / 21 °C
• Sep 27 °C / 20 °C (outside its best range)
• Oct 26 °C / 15 °C (outside its best range)
• Nov 22 °C / 10 °C (outside its best range)
• Dec 18 °C / 6 °C (outside its best range)
• Jan 16 °C / 5 °C (outside its best range)
• Feb 20 °C / 8 °C (outside its best range)
• Mar 25 °C / 12 °C (outside its best range)
• Apr 30 °C / 17 °C (outside its best range)
• May 33 °C / 20 °C
• Jun 32 °C / 21 °C

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

Soil

Soil for Rubber: 8 out of 10 (good).

• Soil here is often more alkaline than it likes.
• Many fields here are short of potassium, which it needs a lot.
• Most fields here are short of nitrogen.

Likes pH 4.5–6.0.

Money

A new planting gives its first real harvest after about 7 years. The money here is for plants already bearing.

No yield records for this crop yet.

On rain alone it gets about 71% of the water it needs, so the money here is worked at 71% of this yield.

Mandi price through the year (December 2025–November 2026): about ₹22,663 a quintal across India's mandis.

This week: about ₹28,300 a quintal, the middle of 5 mandis across India (latest 13 Nov).

Prices are usually best in November.