At an age of 40 years, it has given an average yield of 57 kg per year. Propagation Cashew is commercially propagated by seed only. Vegetative propagation through air layering, side grafting, veneer grafting and epicotyle grafting is also possible. Planting material should be collected only from trees possessing all the desirable higher percentage of bisexual flowers, good fruit set, medium sized nut and high yielding capacity of 15-25 years old. Collected seed should be sun dried for 2 or 3 days for seed purpose.
Germination is completed within a month.
One month after germination a single healthy and vigorous sedings is retained in the pit while the rest are removed . Seedling raised in alakathene bags, may be transplanted when they are about 2 months old, without causing any disturbance to the root system during monsoon rains. Generally the plants are raised in square system of layout. If the selected site is a jungle area, all the vegetation on the site has to be cleared. If the land undulating, bunding and terracing are done to check soil erosion.