Seed is living product that must be grown.
Harvested and processed correctly in orderto reliaze the yield potential of any rice variety.
Good quality seed can increase yield by 5-20%. Using good seed leads to lower seeding rates. 
Life cycle of the rice plant.the rive plant usually takes 3-6 months from germination to maturity , depending on the variety and the environment.
The growth cycle can be divided into 3 growth stages.
No 1.vegetative.
2.reproductive.
3.ripening . 
