Lablab Bean (Sem)

Water

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

Needs about 570 mm of water here in its growing months. Rain gives about 660 mm it can use in a normal year, and 420 mm in a dry year.

Temperature

Grows best at 18–32 °C on average, and survives 3–38 °C.

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

• Jul 35 °C / 26 °C
• Aug 34 °C / 25 °C
• Sep 34 °C / 25 °C
• Oct 32 °C / 24 °C
• Nov 30 °C / 23 °C
• Dec 29 °C / 22 °C

Soil

Soil for Lablab Bean (Sem): 8 out of 10 (good).

Not in the score: organic carbon, sulphur and boron.

• The pH here suits it.
• Low nitrogen matters less: it makes its own.
• Many fields here are short of potassium, which it needs a lot.

Likes pH 5.0–7.5.

Money

No yield records for this crop yet.

Mandi price at last season's harvest (December 2025–January 2026): about ₹4,014 a quintal across India's mandis.

Prices are usually best in June.