• Land should be free of volunteer plants.
• Previous crop should not be other varieties of the same crop.
• It can be the same variety if it is certified as per the procedures of certification agency.

Pre-sowing seed treatment

• For better germination, seeds must be treated in hot water at 80 o C for 5 minutes (boiling water removed from the flame and kept for 4 minutes to attain 80 o C). After the treatment, seeds should be washed and soaked in cold water over night and shade dried.
• Treat the seeds with 600 g of Rhizobium and 600 g of Phosphobacteria/ha of seeds.

Foliar spray of 200 ppm salicylic acid thrice at 10 days interval after 50 per cent flowering to improve seed set.

Harvest the pods in pickings and delayed harvest leads to shattering loss.

• Short term storage in gunny cloth bag (8 - 9 months) with 9-10% moisture content .
• Medium term storage in polylined gunny bag (12 - 15 months) with 8 - 9 % moisture.
• Long term storage in 700 gauge polythene bag (more than 15 months) with 8% moisture.