Sowing Crop can be grown either by seed or vegetative propagation.root cutting Root stumps Stem cutting (100 kg cuttings/ha) but indicates that transplanting of seedling gives better yield.ManuringWell rotten FYM @ 25-30 tones/ha during land preparations. Spacing45 x 30 cmSeed CollectionFruits matured during January -"February are collected and immediately kept for drying in shade. Plumpy matter should be removed by rubbing the seeds.HarvestingPlants are dugged out after 2-3 years pf plantation. At the time of digging, soil must be moist, weight of harvested material sjjpnlcll be reduced by 40 % by air drying method and stored in store house.YieldYield of the dry roots varies from .1800 to 2000 kg/ha depending upon the crop condition (4 kg root/plant). Keep in air tight container in 7-10 cm pieces of root with 10 - 12 % moisture. It is used as anti-hypertensive and sedative drags. Intestional disorder etc. roots contain important alkaloids viz. Ajmatine, Serpentine, Raulfine (0.13 to 0.31 %).