Lablab Bean (Sem)

Water

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

Needs about 650 mm of water here in its growing months. Rain in its months gives about 240 mm it can use in a normal year (190 mm in a dry one), and the soil holds about 190 mm from the monsoon at sowing.

Temperature

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

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

• Nov 17 °C / 7 °C (outside its best range)
• Dec 14 °C / 3 °C (outside its best range)
• Jan 11 °C / 2 °C (outside its best range)
• Feb 14 °C / 4 °C (outside its best range)
• Mar 18 °C / 8 °C (outside its best range)
• Apr 23 °C / 12 °C (outside its best range)
• May 26 °C / 15 °C
• Jun 27 °C / 17 °C

Soil

Soil for Lablab Bean (Sem): 9 out of 10 (good).

• The pH here suits it.
• Low nitrogen matters less: it makes its own.
• Most fields here are short of sulphur.

Likes pH 5.0–7.5.

Money

No yield records for this crop yet.

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 at last season's harvest (July–August 2026): about ₹6,350 a quintal across India's mandis.

Prices are usually best in June.